63x104简便计算?

2025-02-26 20:49:35
推荐回答(2个)
回答1:

63x104
=63x(100+4)
=63x100+63x4
=6300+252
=6552

回答2:

=66*(100+4)
=66*100+66*4
=6600+264
=6864