Question

3) Efetue as a
as operações
com monomial
a (-52 23) +60 62 =
d) 5 ax-11 ax+9ax-ax=
e) 7 x y² + 3x²y³ - 12x2Y3 - 5x2y3+10x2y3=

c) (-20 abc) +21 a b c =​

Answer 1

A 1223
d 1344
C 123
E 123