Question

calcule o valor numérico das expressões

a) a/3 + b/3-2a/2+4ab + 1 ,para a= 2 e b=-3

Answer 1

2/3+(-3)/3-2.2/2+4.2.-3+1=
=1/3-4/2-24+1
=-10/6-23
=-10/6-138/6
=-148/6
=-74/3