87ᠧ56+56ᠧ13的简便方法?

2025-02-21 22:47:16
推荐回答(2个)
回答1:

87✘56+56✘13
=56×(87+13)
=56×100
=5600
加油你可以的

回答2:

87×56+56×13
=(87+13)×56
=100×56
=5600