63×8+63×9-63×7的简便运算怎么写?

2025-04-04 07:30:13
推荐回答(2个)
回答1:

亲,你好,我们可以这样做:
63×8+63×9-63×7
=63×(8+9-7)
=63×(17-7)
=63×10
=630
望采纳,谢谢

回答2:

简便计算
63×8+63×9-63×7
=63x(8+9-7)
=63x10
=630