88乘以22加44乘以56用简便方法计算如下:
88×22+44×56=44×2×22+44×56=44×44+44×56=44×(44+56)=44×100=4400;
88×22+44×56=88×22+22×2×56=22×88+22×112=22×(88+112)=22×200=4400;
第一种简便。
(66+22)*(66-22)+(50-6)(50+6)谢谢给满意
88x22+44x56=44x2x22+44x56=44x(2x22+56)=44x100=4400
=44×44+44×56=44×(44+56)=44×100=4400
88×22+44×56=44×2×22+44×56=44×44+44×56=44×(44+56)=44×100=4400