如题所述
第1个回答 2020-09-05
61*36+26*34
=61*（34+2）+26*34
=61*34+61*2+26*34
=（61+26）*34+122
=87*34+122
=2958+122
=3080
=61*（34+2）+26*34
=61*34+61*2+26*34
=（61+26）*34+122
=87*34+122
=2958+122
=3080
第2个回答 2020-09-05
61×36
=（60+1）×36
=60×36+36
=2160+36
=2196
26×34
=（20+6）×34
=20×34+6×34
=680+204
=884本回答被网友采纳
=（60+1）×36
=60×36+36
=2160+36
=2196
26×34
=（20+6）×34
=20×34+6×34
=680+204
=884本回答被网友采纳
