Question

55×224-55,用乘法分配律怎样算

Answer 1

12265.
55×224-55,用乘法分配律计算方法：55×224-55=55×（224-1）=55×23=12265.

Answer 2

55×224-55
=110*112-55
=1120*（10+1）-55

=11200+1120-55
=12320-55
=12300-35
=12265