Question

-1 целая 1/7*(4/5+19/20)*(6 целых5/6+4 целых2/3)

Answer 1

4/5+19/20=16/20+19/20=35/20=
=7/4
-1 1/7×7/4=-8/7×7/4=-2
6 5/6+4 2/3=6 5/6+4 4/6=10 9/6=
=11 3/6=11 1/2
-2×11 1/2=-2×23/2=-23