89分之37×88=89分之37×(89-1)=37-37/89=36又52/89.
37/89×(89-1)=37-37/89=36又52/89
89分之37×88怎么简便运算?37/89×88=37/89×(89-1)=37/89×89-37/89×1=37-37/89=36又52/89