56×74+85 ×44+11×56 简便运算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 23:15:54
56×74+85×44+11×56简便运算56×74+85×44+11×56简便运算56×74+85×44+11×56简便运算56×74+85×44+11×56=56×(74+11)+85×44=56

56×74+85 ×44+11×56 简便运算
56×74+85 ×44+11×56 简便运算

56×74+85 ×44+11×56 简便运算
56×74+85 ×44+11×56
=56×(74+11)+85 ×44
=56×85+85 ×44
=(56+44)×85
=100×85
=8500

56×74+85 ×44+11×56
=(56×74+74×44)+(11×44+11×56)
=74×(56+44)+11×(56+44)
=7400+1100
=8500

56×74+85 ×44+11×56
=(56×74+11×56)+85 ×44
=56×(74+11)+85 ×44
=56×85+85 ×44
=85 ×(56+44)
=85×100
=8500

56×74+85×44+11×56
=56×(74+11)+85×44
=56×85+85×44
=(56+44)×85
=100×85
=8500
要有对数字的敏感度。。。多做做题吧吧

原式=56×74+11×56+85×44
=56×(74+11)+85×44
=56×85+85×44
=85×(56+44)
=85×100
=8500

56×74+85 ×44+11×56
=56×(74+11)+85 ×44
=56×85+85 ×44
=(56+44)×85
=100×85
=8500
应该是这样,希望我的答案对你有帮助!