34x56-134+45x134的简便运算
第1个回答 2017-04-04
34x56-134+45x134的简便运算
=34x56+134x(45-1)
=34x56+34x444+100x44
=34x(56+44)+4400
=3400+4400
=7800
=34x56+134x(45-1)
=34x56+34x444+100x44
=34x(56+44)+4400
=3400+4400
=7800
第2个回答 2017-04-04
简便运算
134x56-134+45x134
=134×(56-1+45)
=134×100
=13400本回答被网友采纳
134x56-134+45x134
=134×(56-1+45)
=134×100
=13400本回答被网友采纳