66ᠧ99×66简便方法怎么算?

2025-03-09 09:23:52
推荐回答(2个)
回答1:

66*99*66=66*(100-1)*66=66*(6600-66)
(60+6)*6666=439956

回答2:

66×99×66
=66×(99+1)
=66×100
=6600