1.32x9.9+0.132 简便方法计算算

2024-12-17 20:32:50
推荐回答(2个)
回答1:

1.32x9.9+0.132
=0.132×99+0.132
=0.132×(99+1)
=0.132×100
==13.2

回答2:

1.32x10+0.132 -1.32x0.1=13.2