求0.96×101 3.69×9+3.69 2.14×1.25×0.8 2.5×3.2的简便计算结合脱式运算 要快~~~快的加分

Question

如题所述

Answer 1

你好！
0.96×101
=0.96×100+0.96
=96+0.96
=96.96
3.69×9+3.69
=3.69×10
=36.9
2.14×1.25×0.8
=2.14×1
=2.14
2.5×3.2
=2.5×0.4×8
=1×8
=8
我的回答你还满意吗~~