Question

5.6乘以【百分之25-百分之250除以百分之120】计算

Answer 1

5.6*(25%-250%/120%)

=5.6*(1/4-250/120)

=5.6*(3/12-25/12)

=56/10*(-22/12)

=-28/5*11/6

=-14/5*11/3

=-154/15