(-1/12-1/36+3/4-1/6)x(-48)=?
问题描述：
(-1/12-1/36+3/4-1/6)x(-48)=?
答
(-1/12-1/36+3/4-1/6)*(-48)
=1/12*48+1/36*48-3/4*48+1/6*48
=4+4/3-36+8
=-68/3