4分之3×【-9】+4分之3×【-15】怎麼算

4分之3×【-9】+4分之3×【-15】怎麼算


4分之3×【-9】+4分之3×【-15】=-3/4x(9+15)=-3/4x24=-18



[(3又15/37)+(-9.5)+(-12又10/37)]+[(-5/37)+(+10又1/2)計算,


=126/37-19/2-454/37-5/37+21/2
=-296/37
=-8