计算下面各题.并验算(数的运算) 235+397 72.4-4.46 8.5×1.6 3.6÷0.75235+397 72.4-4.46 8.5×1.6 3.6÷0.75

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计算下面各题.并验算(数的运算) 235+397 72.4-4.46 8.5×1.6 3.6÷0.75235+397            72.4-4.46               8.5×1.6               3.6÷0.75

计算下面各题.并验算(数的运算) 235+397 72.4-4.46 8.5×1.6 3.6÷0.75235+397 72.4-4.46 8.5×1.6 3.6÷0.75
计算下面各题.并验算(数的运算) 235+397 72.4-4.46 8.5×1.6 3.6÷0.75
235+397 72.4-4.46 8.5×1.6 3.6÷0.75

计算下面各题.并验算(数的运算) 235+397 72.4-4.46 8.5×1.6 3.6÷0.75235+397 72.4-4.46 8.5×1.6 3.6÷0.75
235+397 =632 72.4-4.46=67.94 8.5×1.6 =13.6 3.6÷0.75=4.8
验算:632 -235= 397 72.4-67.94= 4.46 13.6÷1.6=8.5 4.8×0.75=3.6

235+397 =632
72.4-4.46=67.94
8.5×1.6 =13.6
3.6÷0.75=4.8