3.67x45十36.7x5.5=3.67x10x4.5+36.7x5.5=36.7x4.5+36.7x5.5=36.7x(4.5+5.5)=36.7x10=367
3.67×45+36.7×5.5=3.67×45+3.67×55=3.67×(45+55)=3.67×100=367
参考
原式=36.7x(4.5+5.5)=36.7x10=367