-18-(-25-31);25,4-(3,6-15,92);-47,3+(-90+26,1) Вычислите

-18-(-25-31)=38-25-31= -56-18-(-56)=-18+56=3825,4-(3,6-15,92)=37,723,6-15,92= -12,3225,4-(-12,32)=25,4+12,32=37,72-47,3+(-90+26,1)= -111,2-90+26,1= -63,9-47,3+(-63,9)=-47,3-63,9= -111,2

-18-(-25-31)= -18-(-56)=3825,4-(3,6-15,92)=25,4-(-12,32)=37,72-47,3+(-90+26,1) = -47,3-63,9=-111,2