выполни действия (-2)*(+1/4)*(-3/5)*(-4/3)/19,2+(-11,2)-7

Question

выполни действия (-2)*(+1/4)*(-3/5)*(-4/3)/19,2+(-11,2)-7

Answer 1

(-2)*(+1/4)*(-3/5)*(-4/3)/19,2+(-11,2)-7=-18 53/240

1)(-2)*(+1/4)=-1/2

2)-1/2*(-3/5)=3/10

3)3/10*(-4/3)=-2/5=-0.4

4)-0.4/19.2=-1/48

5)-1/48+(-11.2)=-2693/240=-11 53/240

6)-11 53/240-7=-4373/240=-18 53/240

 

Answer 2

 (-2)*(+1/4)*(-3/5)*(-4/3)/19,2+(-11,2)-7=−18,2208333333