Question

3.09减12分之37除以1.15与12分之1的和,所得的差的10％是多少?

Answer 1

根据你所描述列出的式子应该是

〔3.09-(37/12)/(1.15+1/12)]*10%

=[3.09-(37/12)/(14.8/12

=(3.09-37/14.8)*10%

=(8.732/14.8)*10%

=0.59*10%

=0.059