Question

27 xy + 7yx (-7 x4) . ( -6 x3y)

-7x +11x ( -3x) . ( 5xy ) . ( - x3)

-9y2- 3y2 (-81ab2c) : ( -9 ab)

15xy+9xy-7xy-2xy (-24x6) : ( 4x2)

7xy2-3xy2-xy2 -7xy2 ( -2ab2)3

3ab2 -8ab2 +14ab2 - 15ab2 ( -5xy) 3

( 3 x4) . ( -8 x3) ( 7b3c2)2

Quais seriam os resultados?

Answer 1

Resposta:

+14ab2 - 15ab2 ( -5xy) 3

( 3 x4) . ( -8 x3) ( 7b3c2)2