5.38+7.85-5.37简便运算
问题描述:
5.38+7.85-5.37简便运算
答
5.38+7.85-5.37
=> 5.38-5.37+7.85
=> 0.01+7.85
=> 7.86
答
5.38+7.85-5.37
=5.38-5.37+7.85
=0.01+7.85
=7.86
答:答案是7.86
这类题你注意把有关系的两项先计算 就是简便运算了
答
5.38-5.37+7.85=7.86
答
5.38+7.85-5.37
=5.38-5.37+7.85
=0.01+7.85
=7.86