12x0.4-(0.7+1.6

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0.02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=12a-8.4a=64.32÷16=6x-4.9x=5.1b+11.9b=1.23÷3=100×0.01=3.4×0.07=3x+4x=0.42÷0.1=4.3b-2.7b=7÷0.25=5.1x+2.9x=1.75×0.8=0.3×0.4=5.4+1.4=2.7x+3.6x=16÷1.6=10x-3.7x=0.98+1.82=2.5x+4.3x=0.05×0.8=6.05x-4.96x=3.7a+5.2a=3.2÷1.6=3.12÷0.5=3.5+7.6=5.1a+3.9a=10×0.75=3b-0.7b=5.6×0.1=x×x=0.9÷0.01=3.4b+5.6b=72.8÷0.8=2.7b+5b=3.5×3=7.6b-4.3b=32=2.52=4x+5x=3.5t-t=8a-3a=7b+b=4c-2c=3.5b+2.7b=0.32÷0.04=0.51×0.2=0.12+3.4=102= &
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分析与解答
习题“0.02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=12a-8...”的分析与解答如下所示:
根据小数的加、减、乘、除的方法进行计算即可.
解:0.02×0.1=0..07x=0.99x12-7.8=4.2a+0.4a=1.4a12÷0.3=404.6x+2.7x=7.3x1.7+0.43=2.130.58a-0.47a=0.11a1.5×0.4=0.64.8x-3.1x=1.7x1.25×0.2=0.a=3.6a64.32÷16=4.026x-4.9x=1.1x5.1b+11.9b=17b1.23÷3=0.4=13.4×0.07=0.x0.42÷0.1=4.24.3b-2.7b=1.6b7÷0.25=285.1x+2.9x=8x1.75×0.8=1.40.3×0.4=0.125.4+1.4=6.82.7x+3.6x=6.3x16÷1.6=x=6.3x0.98+1.82=2.82.5x+4.3x=6.8x0.05×0.8=0.046.05x-4.96x=1.09x3.7a+5.2a=8.9a3.2÷1.6=23.12÷0.5=6.243.5+7.6=11.15.1a+3.9a=9a10×0.75=7.53b-0.7b=2.3b5.6×0.1=0.56x×x=x20.9÷0.01=903.4b+5.6b=9b72.8÷0.8=912.7b+5b=7.7b3.5×3=10.57.6b-4.3b=3.3b32=92.52=6.254x+5x=9x3.5t-t=2.5t8a-3a=5a7b+b=8b4c-2c=2c3.5b+2.7b=6.2b0.32÷0.04=80.51×0.2=0..4=3.52102=100
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0.02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=...
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经过分析,习题“0.02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=12a-8...”主要考察你对“4 统计”
等考点的理解。
因为篇幅有限,只列出部分考点,详细请访问。
与“0.02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=12a-8...”相似的题目:
把一个边长3厘米的正方形按3:1扩大后,面积是(  )平方厘米.92781
一种压路机滚筒的直径为1米,长1.2米,若每分钟可转5圈,开动了8分钟,压路机前进了&&&&米,压路面&&&&平方米.
有一个四位数.1aa5能被9整除,这个四位数是&&&&.
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欢迎来到乐乐题库,查看习题“0.02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=12a-8.4a=64.32÷16=6x-4.9x=5.1b+11.9b=1.23÷3=100×0.01=3.4×0.07=3x+4x=0.42÷0.1=4.3b-2.7b=7÷0.25=5.1x+2.9x=1.75×0.8=0.3×0.4=5.4+1.4=2.7x+3.6x=16÷1.6=10x-3.7x=0.98+1.82=2.5x+4.3x=0.05×0.8=6.05x-4.96x=3.7a+5.2a=3.2÷1.6=3.12÷0.5=3.5+7.6=5.1a+3.9a=10×0.75=3b-0.7b=5.6×0.1=x×x=0.9÷0.01=3.4b+5.6b=72.8÷0.8=2.7b+5b=3.5×3=7.6b-4.3b=32=2.52=4x+5x=3.5t-t=8a-3a=7b+b=4c-2c=3.5b+2.7b=0.32÷0.04=0.51×0.2=0.12+3.4=102=”的答案、考点梳理,并查找与习题“0.02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=12a-8.4a=64.32÷16=6x-4.9x=5.1b+11.9b=1.23÷3=100×0.01=3.4×0.07=3x+4x=0.42÷0.1=4.3b-2.7b=7÷0.25=5.1x+2.9x=1.75×0.8=0.3×0.4=5.4+1.4=2.7x+3.6x=16÷1.6=10x-3.7x=0.98+1.82=2.5x+4.3x=0.05×0.8=6.05x-4.96x=3.7a+5.2a=3.2÷1.6=3.12÷0.5=3.5+7.6=5.1a+3.9a=10×0.75=3b-0.7b=5.6×0.1=x×x=0.9÷0.01=3.4b+5.6b=72.8÷0.8=2.7b+5b=3.5×3=7.6b-4.3b=32=2.52=4x+5x=3.5t-t=8a-3a=7b+b=4c-2c=3.5b+2.7b=0.32÷0.04=0.51×0.2=0.12+3.4=102=”相似的习题。24x+x=50 列方程, 解 _ 沐浴擦
24x+x=50 列方程, 解
50x+10x+80=80060x=720x=12
5x-5=104x/4=53x=100-1
50x+10(x+8)=80050x+10x+80=80060x+80=80060x=800-8060x=720x=720÷60x=12
(0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 25000+x=6x X+X X-0.8X=6 12x-8x=4.8 7.5*2X=15 1.2x=81.6 x+5.6=9.4 x-0.7x=3.6 91÷x =1.3 X+8.3=10.7 15x =3 3x-8=16 7(x-2)=2x+3 3x+9=2718(x-2)=270 12x=300-4x 7x+5.3=7.4 3x÷5=4.8 30÷x+25=85 1.4×8-2x=6 6x-12.8×3=0.06 410-3x=170 3(x+0.5)=21 0.5x+8=43 6x-3x=18 1.5x+18=3x 5×3-x÷2=8 0.273÷x=0.35 1.8x=0.972 x÷0.756=90 9x-40=5 x÷5+9=21 48-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x)÷5=30 (x-140)÷70=4 0.1(x+6)=3.3×0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)÷x=4 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6÷x=12.6 5x+12.5=32.3 5(x+8)=102 x+3x+10=70 3(x+3)=50-x+3 5x+15=60 3.5-5x=2 0.3×7+4x=12.5 x÷1.5-1.25=0.75 4x-1.3×6=2.6 20-9x=1.2×6.25 6x+12.8=15.8 150×2+3x=690 2x-20=4 3x+6=18 2(2.8+x)=10.4 (x-3)÷2=7.5 13.2x+9x=33.3 3x=x+100 x+4.8=7.2 6x+18=48 3(x+2.1)=10.5 12x-9x=8.7 13(x+5)=169 2x-97=34.2 3.4x-48=26.8 42x+25x=134 1.5(x+1.6)=3.6 2(x-3)=5.8 65x+7=42 9x+4×2.5=91 4.2 x+2.5x=134 10.5x+6.5x=51 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56 4x-x=48.6 4.5x-x=28 X-5.7=2.15 15 5X-2X=18 3X+0.7=5 3.5×2= 4.2+x 26×1.5= 2x+10 0.5×16―16×0.2=4x 13 9.25-X=0.403 16.9÷X=0. 3 23x=14x+14 x+14x=65 3 - 5x=80 1.8 +6x=54 6.7x -60.3=6.7 9 +4x =40 2x+8=16 23x-14x=14 x+7x=8 9x-3x=6 6x-8=4 5x+x=9 x-8=6x 4/5x=20 2x-6=12 7x+7=14 6x-6=0 5x+6=11 2x-8=10 1/2x-8=4 x-5/6=7 3x+7=28 3x-7=26 9x-x=16 24x+x=50 6/7x-8=4 3x-8=30 6x+6=12 3x-3=1 5x-3x=4 2x+16=19 5x+8=19 14-6x=8 15+6x=27 5-8x=4 7x+8=15 9-2x=1 4+5x=9 10-x=8 8x+9=17 9+6x=14 x+9x=4+7 2x+9=17 8-4x=6 6x-7=12 7x-9=8 x-56=1 8-7x=1 x-30=12 6x-21=21 6x-3=6 9x=18 4x-18=13 5x+9=11 6-2x=11 x+4+8=23 7x-12=8 X-5.7=2.15 15 5X-2X=18 3X 0.7=5 3.5×2= 4.2 x 26×1.5= 2x 0.5×16―16×0.2=4x 9.25-X=0.403 16.9÷X=0.3 X÷0.5=2.6 3-5x=80 1.8-6x=54 6.7x-60.3=6.7 9 +4x=40 0.2x-0.4+0.5=3.7 9.4x-0.4x=16.2 12-4x=20 1/3x+5/6x=1.4 12x+34x=1 18x-14x=12 23 x-5×14=14 12+34x=56 22-14x=12
3x+5&#47.6)=1.5=3.2x-0.6x=33.8150×2+3x=6902x-20=43x+6=182(2;7x-8=43x-8=306x+6=123x-3=15x-3x=42x+16=195x+8=1914-6x=815+6x=275-8x=47x+8=159-2x=14+5x=910-x=88x+9=179+6x=14x+9x=4+72x+9=178-4x=66x-7=127x-9=8x-56=18-7x=1x-30=126x-21=216x-3=69x=184x-18=135x+9=116-2x=11x+4+8=237x-12=8X-5.8+x)=10.85.7=2.5x=13410.2 x+2.256x+12.25x-45=1001.7=53.972x÷0.2x=81.6x+13=333 - 5x=801.256x+12.5-3.842x+25x=1341.5)÷x=4x+19.5*2X=151.4x-48=26.2×6.713(x+5)=1692x-97=34.40316.212-4x=201/2x-8=4x-5&#47.43x÷5=4.6x+5.875.8=7.2×6.5x+18=3x5×3-x÷2=80.5)=9.33x=x+100x+4.63-5x=801.412x+34x=118x-14x=1223 x-5×14=1412+34x=5622-14x=1223x-14x=14x+14x=6523x=14x+1430x12x-14x=1x-0.9÷X=0.5x+8=436x-3x=181.5x÷1.23.512x-9x=8.3×7+4x=12.1(x+6)=3.2x-0.25=0.3×6=2.75(x+8)=102x+3x+10=703(x+3)=50-x+35x+15=603.62x+8=16x&#47.2=4x13 9.3×7+4x=12;5x=202x-6=127x+7=146x-6=05x+6=112x-8=101&#47.620-9x=1.25-X=0.5(27.8=15.5)=210.1515 5X-2X=183X 0.7x -60.7=2.3X+8.620-9x=1.6=9.8150×2+3x=6902x-20=43x+6=182(2.2+x26×1.8x=0.5= 2x0.2x+9x=33.4+0.513.452-x =1591÷x =1.830÷x+25=851.8-6x=546.715x =33x-8=167(x-2)=2x+33x+9=2718(x-2)=27012x=300-4x7x+5;5=10x+7x=89x-3x=66x-8=45x+x=9x-8=6x4&#47.5x-x=28X-5.4(x-3)÷2=7.273÷x=0.5(x+1.87.2=4x9.825000+x=6xX+XX-0.8=25.2 x26×1.8-x=3.4(x-3)÷2=7.26x+18=4812-4x=201&#47.5)=21X-0.1)=10.8+x)=10.3=10.9÷X=00.4x-0;6x=1.2x+9x=33.25-X=0.5=2;5=10x+7x=89x-3x=66x-8=45x+x=9x-8=6x4&#47.33x=x+100x+4.3×0.6=9.5×16―16×0.5=32.5+x+21=56x+2x+18=78(200-x)÷5=30(x-140)÷70=40.5*2X=151. 3X÷0.4×8-2x=66x-12.513.865x+7=429x+4×2.323.452-x =1591÷x =1.754x-1.5+x)+x=9.5-1.5=2.3×6=2.65x+12;6=73x+7=283x-7=269x-x=1624x+x=506&#47.79 +4x =402x+8=16x&#47.756=909x-40=5x÷5+9=2148-27+5x=3110.5+x)=87;6x=1.5x÷1.06410-3x=1703(x+0.62(x-3)=5.5×2= 4.87.5×2= 4.3X+8.3=6;3x+5&#47.8=15.1515 5X-2X=183X+0.351.5-5x=20.3=7;6=712x=300-4x30÷x+25=85410-3x=1703(x+0.67(6.5-5x=20.3X÷0.5x=5189x-43x=9.7x-60.4x=16.6)=3.40316.5x=6.64.35(x+8)=102x+3x+10=703(x+3)=50-x+35x+15=603.5=914.8 +6x=546.79;5x=202x-6=127x+7=146x-6=05x+6=112x-8=101&#47.3=10.3=6.8X=612x-8x=4.6x+5.79 +4x=400.5x+6.8X=612x-8x=4.7=53.44(x-5.8÷22(X+X+0.25=0.5×16―16×0.2x=81.4=2x=564x-x=48.6÷x=12;2x-8=4x-5&#47.8×3=0.5-1.7x=3.5= 2x+100.69.26x+18=483(x+2.754x-1.8=7
50x+10x+10*8=80060x=800-8060x=720x=720÷60x=12
6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/2x-8=4 (15)x-5/5=10
(4)9x-3x=6
(6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1&#47(1)2x+8=16
60x=720x=12
五年级下册解方程过关练习班级
一、解方程.(每题2分 共70分0.3 x=7.2
x-0.52=1.3
13.2+x=16.3x÷14=98
x-4.5=3.60.8+x=9.1
x÷1.2=7x-257=582
x÷2.5=0.8
360+x=7101.5 x=4.5
3.6÷x=0.6
x+4.1=9x-105=15
x÷0.7=1.2
2.4÷x=6x-970=270
6.6+x=24.5
12.6-x=3.6二、列方程解答下列问题。(只列方程不计算每题3分共15分)1、钢琴的黑键有48个,比白键少26个。白键有多少个? 2、小红今年重36千克,比去年增加了2.5千克,她去年的体重是多少千克?3、一种饮料有两种包装规格,大瓶容量是小瓶的5倍,大瓶容量是1.5升,小瓶容量多少升?4、小红今年重36千克,比去年增加了2.5千克,她去年的体重是多少千克?5、有两桶油,甲桶油的重量是乙桶油的1.2倍,已知甲桶油的重量为90千克,乙桶油重多少千克?三、根据数量关系列出方程不计算。(每题3分,共15分)1、男生有x人,女生的人数是216人,男女生一共有440人。2、图书馆原有图书1500套,借出x套后,图书馆这时有图书900套。3、小明今年x岁,爸爸今年42岁,3年后爸爸比小明大27岁。4、篮球的单价是86元,是排球单价的2倍,排球x元。5、第一根绳子长13米,第二根绳子长x米,第二根的长度是第一根的2倍。
1、 运送29.5吨煤,先用一辆载重4吨的汽车运3次,剩下的用一辆载重为2.5吨的货车 运。还要运几次才能运完? 2、一块梯形田的面积是90平方米,上底是7米,下底是11米,它的高是几米? 3、某车间计划四月份生产零件5480个。已生产了9天,再生产908...
(1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4...
(1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4...
(24+1)x=50 25x=50 x=50÷25 x=2 希望对你有帮助,满意请及时采纳, 你的采纳是我回答的动力!
3X+5X=48 14X-8X=12 6*5+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X*(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=29 8x-3x=105 x-6*5=42 x+5=7 2x+3=10 12x-9x=9 6x+18=48 56x-50x=30 5x...
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本文网址:http://www.muyuca.cn/view-15140-1.html02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=12a-8.4a=64.32÷16=6x-4.9x=5.1b+11.9b=1.23÷3=100×0.01=3.4×0.07=3x+4x=0.42÷0.1=4.3b-2.7b=7÷0.25=5.1 题目和参考答案——精英家教网——
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0.02×0.1=5.06x-4.07x=12-7.8=a+0.4a=12÷0.3=4.6x+2.7x=1.7+0.43=0.58a-0.47a=1.5×0.4=4.8x-3.1x=1.25×0.2=12a-8.4a=64.32÷16=6x-4.9x=5.1b+11.9b=1.23÷3=100×0.01=3.4×0.07=3x+4x=0.42÷0.1=4.3b-2.7b=7÷0.25=5.1x+2.9x=1.75×0.8=0.3×0.4=5.4+1.4=2.7x+3.6x=16÷1.6=10x-3.7x=0.98+1.82=2.5x+4.3x=0.05×0.8=6.05x-4.96x=3.7a+5.2a=3.2÷1.6=3.12÷0.5=3.5+7.6=5.1a+3.9a=10×0.75=3b-0.7b=5.6×0.1=x×x=0.9÷0.01=3.4b+5.6b=72.8÷0.8=2.7b+5b=3.5×3=7.6b-4.3b=32=2.52=4x+5x=3.5t-t=8a-3a=7b+b=4c-2c=3.5b+2.7b=0.32÷0.04=0.51×0.2=0.12+3.4=102=
解:0.02×0.1=0.0025.06x-4.07x=0.99x12-7.8=4.2a+0.4a=1.4a12÷0.3=404.6x+2.7x=7.3x1.7+0.43=2.130.58a-0.47a=0.11a1.5×0.4=0.64.8x-3.1x=1.7x1.25×0.2=0.2512a-8.4a=3.6a64.32÷16=4.026x-4.9x=1.1x5.1b+11.9b=17b1.23÷3=0.41100×0.01=13.4×0.07=0.2383x+4x=7x0.42÷0.1=4.24.3b-2.7b=1.6b7÷0.25=285.1x+2.9x=8x1.75×0.8=1.40.3×0.4=0.125.4+1.4=6.82.7x+3.6x=6.3x16÷1.6=1010x-3.7x=6.3x0.98+1.82=2.82.5x+4.3x=6.8x0.05×0.8=0.046.05x-4.96x=1.09x3.7a+5.2a=8.9a3.2÷1.6=23.12÷0.5=6.243.5+7.6=11.15.1a+3.9a=9a10×0.75=7.53b-0.7b=2.3b5.6×0.1=0.56x×x=x20.9÷0.01=903.4b+5.6b=9b72.8÷0.8=912.7b+5b=7.7b3.5×3=10.57.6b-4.3b=3.3b32=92.52=6.254x+5x=9x3.5t-t=2.5t8a-3a=5a7b+b=8b4c-2c=2c3.5b+2.7b=6.2b0.32÷0.04=80.51×0.2=0.1020.12+3.4=3.52102=100分析:根据小数的加、减、乘、除的方法进行计算即可.点评:口算题目,要求快速准确,能用简便方法的要用简便方法,注意有字母的计算.
练习册系列答案
科目:小学数学
0.02×0.1=
5.06x-4.07x=
4.6x+2.7x=
0.58a-0.47a=
4.8x-3.1x=
1.25×0.2=
64.32÷16=
5.1b+11.9b=
100×0.01=
3.4×0.07=
0.42÷0.1=
4.3b-2.7b=
5.1x+2.9x=
1.75×0.8=
2.7x+3.6x=
0.98+1.82=
2.5x+4.3x=
0.05×0.8=
6.05x-4.96x=
3.7a+5.2a=
3.12÷0.5=
5.1a+3.9a=
0.9÷0.01=
3.4b+5.6b=
72.8÷0.8=
7.6b-4.3b=
3.5b+2.7b=
0.32÷0.04=
0.51×0.2=
科目:小学数学
3.97-2.45=
8.282÷8.2=
1.14×0.2=
7.82+1.18=
1.01-0.89=
0.02×0.3=
16.5÷0.15=
0.84÷0.42=
0.3+0.3+0.3=
0.81÷0.9×5=
(0.9+8.1)×5=
9.3÷(4.2-1.1)=
1.7×0.6÷1.7=
科目:小学数学
题型:阅读理解
0.62-0.32=
0.75×100=
0.02×0.5=
0.75÷0.25=
0.36÷0.4=
0.64÷0.8=
0.72÷3.6=
0.35×0.6=
3.08×0.01=
4.95×1000=
4.95÷0.9=
9.65÷0.1=
0.325×100=
0.56÷0.7=
3.28×0.1=
3.9÷0.13=
0.01×0.1=
0.25×0.4=
1.25×0.8=
3.2÷0.04=
0.22×102=
16.5÷0.5=
0.84÷2.1=
7.8÷0.01=
0.56÷0.8=
0.18÷0.2=
4.5×0.02=
0.012×0.2=
3.6÷0.12=
0.96÷0.2=
10.5×0.4=
0.54÷0.6=
0.61+0.39=
4.08÷0.4=
0.8×0.11=
0.72+12.8=
5.6÷0.01=
0.75×100=
12.2÷0.2=
0.02×0.5=
0.75÷0.25=
1.75+32.5=
1.02×0.2=
0.26×0.3=
8.4×0.02=
0.8×0.05=
12.6÷0.03=
8.71÷0.1=
0.8×0.13=
8.08÷0.4=
3.27+0.63=
5.02×0.3=
0.7÷0.35=
0.72÷1.44=
0.48÷0.04=
1.25÷2.5=
0.32÷0.8=
12.25÷0.5=
73.5×0.1=
46.5+52.5=
0.45×102=
2.64+3.85+1.54=
4.2÷0.7÷6=
0.4×8.6×25=
0.27÷0.3=
0.65×101-0.65=
2.6×7÷2.6×7=
科目:小学数学
题型:解答题
4.7+2.3=4.5×2=6.9-2.5=7.2×0.8=6×3.4=0.62-0.32=1.4×0.5=0.75×100=0.02×0.5=3.6÷0.3=6.3÷7=5.6÷100=0.75÷0.25=0.125×8=4.8÷0.3=0.96÷2=0.56÷28=0.36÷0.4=0.64÷0.8=0.72÷3.6=3.6÷24=0.8×1.1=7.2+12.8=46.7-3.8=12.8÷4=5.2÷13=12.5÷5=1.64÷41=10÷20=24÷15=8.65×10=0.35×0.6=3.08×0.01=4.95×1000=6.9×0.1=0.4×0.5=2.4÷0.8=10.8÷9=9.6÷0.8=0.108÷2=4.95÷0.9=9.65÷0.1=0.325×100=2.5×8=0.56÷0.7=0.125×4=3.28×0.1=3.9÷0.13=7.2×0.1=0.01×0.1=0.25×0.4=1.6÷0.8=1÷2.5=1.25×0.8=3.2÷0.04=0÷1.7=0.22×102=9.6÷0.8=5×0.24=4.5-0.05=3.9÷0.1316.5÷0.5=5×0.12=24×0.5=4.8×0.5=2.8+4.2=0.84÷2.1=5÷0.25=7.8÷0.01=5.4÷0.6=3.2÷5=7×0.62=0.56÷0.8=7.4-2.8=0.18÷0.2=0.16÷8=4.5×0.02=8+7.2=1.2×30=0.012×0.2=7.3×0.3=9÷6=3.6÷0.12=7.8÷0.6=2÷5=4.5+5=0.3÷0.6=0.96÷0.2=10.5×0.4=7.3+0.27=8×0.125=0.54÷0.6=0.61+0.39=0.56÷28=10÷20=4.08÷0.4=11-9.4=0.8×0.11=0.72+12.8=5.6÷0.01=2.3×100=0.75×100=0.108÷2=10.8÷9=0.7÷0.8=16-5.07=4.2×0.4=0.72×6=12÷0.5=5.2×0.4=12.2÷0.2=5.6÷100=0.41+3.7=0.02×0.5=7.2-0.8=1.4×0.5=84÷0.21=0.75÷0.25=2.5×16=0.108÷2=1.75+32.5=16-5.07=5.2÷13=1.64÷41=1.02×0.2=0.26×0.3=8.4×0.02=1.29×6=0.8×0.05=12.6÷0.03=8.71÷0.1=21÷0.21=0.8×0.13=0.34÷17=8.08÷0.4=0.5×2.2=1.24÷4=3.27+0.63=5.02×0.3=0.3×0.5=6.4÷4=7.2÷1.8=0.7÷0.35=0.72÷1.44=0.48÷0.04=1.25÷2.5=5.5+55=16.8÷8=0.54+2.2=3.5-0.05=2÷0.02=0.25×40=1.5×0.6=0.32÷0.8=12.25÷0.5=73.5×0.1=46.5+52.5=0.45×102=1.25×88=2.64+3.85+1.54=8×1.25=5.6÷3.5=4.2÷0.7÷6=0.4×8.6×25=0.27÷0.3=2.5×101=0.65×101-0.65=2.6×7÷2.6×7=
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3=2.8-212x0.8-(0.7+1.6)=4.4-(0.7+1.6)解:直接运算最简便,原式=4
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我们会通过消息、邮箱等方式尽快将举报结果通知您。& 直接写得数.1.2+0.3=4+0.6=12.9-5=12+
本题难度:0.58&&题型:解答题
直接写得数.1.2+0.3=4+0.6=12.9-5=12+3.5=0.9+0.7=0.6+1.4=5-1.2=0.2+1.8=5.8-5=3.6+4=10-9.8=0.7+1.6=30×20=24×30=10×40=25×30=50×80=5×40=120÷4=84÷6=26×2=280÷7=350×2=1.2-0.8=230×3=0.5+3=4-2.5=250×4=2.5-0.7=3+1.7=
来源:学年北师大版三年级(下)期末数学试卷(13) | 【考点】整数的乘法及应用;整数的除法及应用;小数的加法和减法.
直接写得数.-=1-=+=+-=+=-=+=1-+=-=+=-=-(-)=+=-=-=1--=
直接写得数.÷=×=÷=÷=+=÷0.2×=
直接写得数. +=18×=×=1×=-=1÷=×=×6=×&&&&&&&&&&÷3=÷=2-=
直接写得数. +=+=+=1-=+=-=+=3+=
直接写得数. 1÷=÷2=×2.4=-×=÷=9÷=1.2×=×=
解析与答案
(揭秘难题真相,上)
习题“直接写得数.1.2+0.3=4+0.6=12.9-5=12+3.5=0.9+0.7=0.6+1.4=5-1.2=0.2+1.8=5.8-5=3.6+4=10-9.8=0.7+1.6=30×20=24×30=10×40=25×30=50×80=5×40=120÷4=84÷6=26×2=280÷7=350×2=1.2-0.8=230×3=0.5+3=4-2.5=”的学库宝(http://www.xuekubao.com/)教师分析与解答如下所示:
【分析】根据整数乘除法、小数加减法运算的计算法则进行计算即可.
【解答】解:12+03=154+06=2+35=6+14=25-12=-5=0-98=0×20=610×40=450×80=4120÷4=6×2=550×2=30×3=-25=1025-07=183+17=47
【考点】整数的乘法及应用;整数的除法及应用;小数的加法和减法.
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经过分析,习题“直接写得数.1.2+0.3=4+0.6=12.9-5=12+”主要考察你对
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因为篇幅有限,只列出部分考点,详细请访问。
整数的乘法及应用
1.整数乘法:相同数位对齐,从乘法的末位算起,用乘法的每一位去乘被乘数,得数的末位和乘数对齐。2.运算法则:乘法交换律:A×B=B×A 乘法结合律:(A×B)×C=A×(B×C) 乘法分配律:(A+B)×C=A×C+B×C
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