вычислите -7/10+(-1/2)+(-4/5);

Question

вычислите -7/10+(-1/2)+(-4/5);

Answer 1

-7/10 + (-1/2) + (-4/5) = - 7/10 - 5/10 - 8/10 = - 20/10 = - 2

Answer 2

-0.7+(-0.5)+(-0.9)=-0.7-0.5-0.9=-2.1