Question

(4 1/4-6 1/2):2 4/9 вычислите (2 1/5+14/15)*(-2 1/2)

Answer 1

1)17/4-13/2=17/4-26/4=-9/4:22/9=-9/4*9/22=-81/88;
2)11/5+14/15=33/15+14/15=47/15*(-5/2)=-47/6=-7 5/6.