第1个回答 2021-09-08
101x32.5
=(100+1)x32.5
=100x32.5+32.5
=3250+32.5
=3282.5
第2个回答 2021-09-08
101*32.5
=(100+1)*32.5
=100*32.5+32.5
=3250+32.5
=3282.5
第3个回答 2021-09-10
101×32.5
=(100+1)×32.5
=100×32.5+1×32.5
=3250+32.5
=3282.5
第4个回答 2021-09-08
101×32.5
=100×32.5+32.5
=3250+32.5
=3282.5
简便方法:乘法分配律