题目
先用计算器计算下面各题,再将得数留两位小数。①42.37×5.98②87.92×32.56③13.42×372.6④79.54×93.47⑤54.28×1.45⑥1.0531×0.64
答案:解:①42.37×5.98=253.3726≈253.37②87.92×32.56=2862.6752≈2862.68③13.42×372.6=5000.292≈5000.29④79.54×93.47=7434.6038≈7434.60⑤54.28×1.45=78.706≈78.71⑥1.0531×0.64=0.673984≈0.67