9ⅹ8+125x4怎样用简便方法计算?

2025-04-17 06:37:26
推荐回答(2个)
回答1:

9*8+125*4
=72+(100+25)*4
=72+400+100
=572
其实125*4就已经够简便了吧

回答2:

9ⅹ8+125x4
=72+500
=572