五乘括号里63×2的简便方法怎么做?

2024-11-25 02:38:30
推荐回答(2个)
回答1:

=5×2×63
=10×63
=630
望采纳,谢谢

回答2:

5㐅(63╳2)
=5㐅2㐅63
=10㐅63
=630