(125*72 28)霧(36霧9)简便计算?

2025-03-29 01:25:07
推荐回答(1个)
回答1:

简便计算
(125x72 +28)➗(36➗9)
=(125x72 +28)➗4
=125x72÷4+28÷4
=125x18+7
=125x2x9+7
=250x9+7
=2250+7
=2257