А)12+7,8*(8,1-8,4)=........................................б)-6-4,5*(5,2-10,6)

Question

А)12+7,8*(8,1-8,4)=........................................б)-6-4,5*(5,2-10,6)

Answer 1

А) 12+7,8*(8,1-8,4)= 12+ 7,8*(-0,3)= 12- 2,34= 9,66
б)-6-4,5*(5,2-10,6)= -6-4,5*(-5,4)= -6+24,3= 18,3