25×(6+ 18)简便计算

2024-12-02 07:52:42
推荐回答(2个)
回答1:

原式=25x24
=25x4x6
=100x6
=600

回答2:

25x(6+18)
=25x(4+20)
=25x4+25x20
=100+500
=600