如题所述
第1个回答 2023-03-26
129×37+128×62+128
=(128+1)×37+128×62+128
=128×37+1×37+128×62+128
=128×(37+62+1)+1×37
=128×100+37
=12800+37
=12837本回答被网友采纳
=(128+1)×37+128×62+128
=128×37+1×37+128×62+128
=128×(37+62+1)+1×37
=128×100+37
=12800+37
=12837本回答被网友采纳
第2个回答 2020-07-01
129x37+128x62+128
=(128+1)x37+128x62+128
=128x37+37+128x62+128
=128x(37+62+1)+37
=128x100+37=12800+37=12837
=(128+1)x37+128x62+128
=128x37+37+128x62+128
=128x(37+62+1)+37
=128x100+37=12800+37=12837
