简便计算
①70.8﹣1.25﹣1.75 ②5.81+8.3+4.19+11.7 ③3.54×0.29﹣0.29×2.54
④0.25×17.3×0.4 ⑤7.2×9.9 ⑥48×0.69+3.1×4.8．
相关试题
简便计算
①70.8﹣1.25﹣1.75 ②5.81+8.3+4.19+11.7 ③3.54×0.29﹣0.29×2.54
④0.25×17.3×0.4 ⑤7.2×9.9 ⑥48×0.69+3.1×4.8．
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