3.56×5.2+35.2×0.3+18×0.356简便方法怎麼做
问题描述:
3.56×5.2+35.2×0.3+18×0.356简便方法怎麼做
答
3.56×5.2+35.2×0.3+18×0.356
=3.56×5.2+3.52×3+1.8×3.56
=3.56×(5.2+3+1.8)
=3.56×10
=35.6