Question

вычислите
-0.6+(+1/2)+0.7
-3.8+(-5.4)
-0.75+(-4/5)+0.9

Answer 1

-0.6+(+1/2)+0.7=0.6
-3.8+(-5.4)=-9.2
-0.75+(-4/5)+0.9=-0.65