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第4.2算法1
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你可能喜欢73+84÷2 164-42×3 ÷3 80×9÷4 7× 24+176÷8． 题目和参考答案——精英家教网——
暑假天气热？在家里学北京名师课程，
& 题目详情
73+84÷2&&&&
164-42×3&&&&
（465+171）÷3
80×9÷4&&&&
7×（918÷6）
24+176÷8．
分析：（1）（6）先算除法，再算加法；（2）先算乘法，再算减法；（3）（5）先算括号内的，再算括号外的；（4）从左往右依次计算．解答：解：（1）73+84÷2，=73+42，=115；（2）164-42×3，=164-126，=38；（3）（465+171）÷3，=636÷3，=212；（4）80×9÷4，=720÷4，=180；（5）7×（918÷6），=7×153，=1071；（6）24+176÷8，=24+22，=46．点评：此题主要考查整数的四则混合运算的运算顺序以及运算法则．
科目：小学数学
计算下列各题．（能用简便算法的用简便算法）6.73×4.8+5.2×6.73．&&&&&&&&&&&&&&&&&
1.6×[（12-7.2）÷（0.84÷2.1）]．
81÷[（3.25+6.75）×0.09]．
0.45×78.2+20.8×0.45+0.45．
科目：小学数学
4×5÷4×5=
0.25×4+4=
131+218+269+182=
120÷5÷3=
198-75-25=
120-20÷5=
59亿-58亿=
（1.3+3.5）÷0.6=
0.45÷1.25÷8=
2.5×7.6×4=
97.6÷0.02=
8.8-（0.25+0.4）=
0.25+87+0.75=
0.8-0.35×2=
0.1÷0.01×0.1=
9.9+9.9×99=
2.7×3.6+6.4×2.7=
720÷8÷9=
2.9+5.7+2.1=
2-0.16-0.64=
16.7+84.5-16.7=
6.8-（3.8+2.9）=
9×1.3+9×6.7=
5.5-5.25+5.2=
0.8×25-10=
42.8×25×4=
0.9÷0.01=
3×0.2×0.5=
0.96÷0.3=
2.5×0.7×0.8=
5.6×1.01=
8×（2.5+0.25）=
0.36+0.64=
64.32÷16=
72.8÷0.8=
8.4×0.2+1.6×0.2=
0.05×0.8=
2.56-0.37=
25×0.8×0.5=
3.5+3.5×3=
7.2×0.3+2.8×0.3=
（1.5+0.25）×4=
27+456+73=
2.87÷0.7=
24÷4+56÷4=
2.1×0.3÷2.1=
2.3-0÷8.1=
1.37-1.37÷1.37=
4.4÷（5×0.2）=
0.96÷0.06=
0.36×0.3=
0.35÷0.7=
13.65÷13=
4×0.8×0.25×1.25=
13+0.7÷0.7=
7.05×23.7+7.05×76.3=
0.125×3.2×2.5=
（12+23.1÷0.75）×0.4-5.12=
1.6×[（12-7.2）÷（0.84÷2.1）]=
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
180÷60=12×25=0÷90=4×5÷4×5=0.25×4+4=131+218+269+182=25×6×4=420÷35=36×5×4=120÷5÷3=198-75-25=120-20÷5=59亿-58亿=（1.3+3.5）÷0.6=75÷2.5=0.45÷1.25÷8=2.5×7.6×4=97.6÷0.02=8.8-（0.25+0.4）=0.25+87+0.75=0.8-0.35×2=0.1÷0.01×0.1=9.9+9.9×99=2.7×3.6+6.4×2.7=720÷8÷9=2.9+5.7+2.1=2-0.16-0.64=16.7+84.5-16.7=6.8-（3.8+2.9）=9×1.3+9×6.7=5.5-5.25+5.2=0.8×25-10=42.8×25×4=7.2+2.8=0.9÷0.01=3.5+7.6=3×0.2×0.5=0.96÷0.3=1.5×0.4=7÷0.25=2.5×0.7×0.8=8-2.5=16÷1.6=5.6×1.01=8×（2.5+0.25）=0.36+0.64=64.32÷16=72.8÷0.8=8.4×0.2+1.6×0.2=8.4÷4.2=0.05×0.8=2.56-0.37=1.23×3=25×0.8×0.5=12×2.5=3.2÷1.6=3.5+3.5×3=19.6÷2=8.8÷2.2=3.9+2.03=7.2×0.3+2.8×0.3=13.8+9.9=2.4×2.5=0.75×4=（1.5+0.25）×4=4.2÷0.1=4.2÷3.5=2.14-0.9=27+456+73=12÷0.3=2.87÷0.7=13÷4=24÷4+56÷4=2.1×0.3÷2.1=2.3-0÷8.1=1.37-1.37÷1.37=4.4÷（5×0.2）=7×1.3=0.96÷0.06=0.36×0.3=0.35÷0.7=13.65÷13=4×0.8×0.25×1.25=13+0.7÷0.7=7.05×23.7+7.05×76.3=0.125×3.2×2.5=（12+23.1÷0.75）×0.4-5.12=728+199=637-201=16×25=1.6×[（12-7.2）÷（0.84÷2.1）]=
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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2亿+学生的选择
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2亿+学生的选择
直接写得数．0.99+1.8=4.2÷3.5=1.5×0.4=1.72-0.7=0.84÷2=2×0.05=0.72÷0.9=2.4÷0.06=0.4×0.8×2.5=7.8+0.3-7.8+0.3=
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2亿+学生的选择
0.99+1.8=2.794.2÷3.5=1.21.5×0.4=0.61.72-0.7=1.020.84÷2=0.422×0.05=0.10.72÷0.9=0.82.4÷0.06=400.4×0.8×2.5=0.87.8+0.3-7.8+0.3=0.6
为您推荐：
根据小数四则运算的方法进行计算即可．
本题考点：
小数除法；小数的加法和减法；小数乘法；小数四则混合运算．
考点点评：
此题考查基本的口算，计算时要细心，提高做题的速度和准确度．
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