简便计算37×34+63×57+37×23=37x(34+23)+63x57=37x57+63x57=(37+63)x57=100x57=5700
37X34十63X57十37X23=37Ⅹ(34十23)十63X57=37Ⅹ57十63Ⅹ57=57Ⅹ(37十63)=57X100=5700