3.6x(4.3-1.8)+3.6用简便方法计算

2025-04-23 23:29:27
推荐回答(1个)
回答1:

3.6x(4.3-1.8)+3.6
=3.6x(4.3-1.8+1)
=3.6x3.5
=1.8x2x3.5
=1.8x7
=12.6