Question

3ab+8a-7b-11a+3b-3ab при а=1,2 при b=12.2

Answer 1

3ab+8a-7b-11a+3b-3ab
3*1,2*12,2+8*1,2-7*12,2-11*1,2+3*12,2-3*1,2*12,2=-52,4