0.68×3.7+3.2×0.37用简便方法计算
问题描述:
0.68×3.7+3.2×0.37用简便方法计算
答
0.68×3.7+3.2×0.37
=6.8×0.37+3.2×0.37
=(6.8+3.2)×0.37
=10×0.37
=3.7