如题所述
第1个回答 2020-04-26
简便计算
27X74十27X27一27
=27x(74+27-1)
=27x100
=2700本回答被网友采纳
27X74十27X27一27
=27x(74+27-1)
=27x100
=2700本回答被网友采纳
第2个回答 2020-04-26
27×74+27×27-27
=27×(74+27-1)
=27×100
=2700
=27×(74+27-1)
=27×100
=2700