4份之1加6份之1减2份之1乘24要怎么算

问题描述:

4份之1加6份之1减2份之1乘24要怎么算

(1/4+1/6-1/2)*24=(-1/12)*24=-2
1/4+1/6-(1/2)*24=5/12-12=-139/12