5,6a-2,7b и 3,3b-1,4a-5

1. 5,6a-2,7b -0.1*(27*b-56*a) (28*a-27*b/2)/5 2. 3,3b-1,4a-5 0.1*(33*b-14*a-50) (33*b/2-7*a-25)/5