标题 | 日期 |
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一、计算下面各题能简算的要简算,能简算的要简算。⑶3/7×(1/2-1/6) = = = = | 2019-09-25 |
一、计算下面各题能简算的要简算,能简算的要简算。⑴1/5-2/9×3/10 = = = = | 2019-09-25 |
一、计算下面各题能简算的要简算,能简算的要简算。⑴15×1/15-3/4 = = = = | 2019-09-25 |
一、计算下面各题能简算的要简算,能简算的要简算。⑴34×34/35 = = = = | 2019-09-25 |