Mathematics
Mathematics, 01.05.2021 02:10, colrow1968

1.Adição e subtração de monômios e polinômios a) ( + 7x) + ( - 3x )=
b) ( - 8x) + (+ 11x)+ ( - 9 x )=
c) ( - 2y) + ( - 3y + 9 )+ ( 6y +2 )=
d) (- 2m) + ( - m )=

SOCORRO

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Answers: 3

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1.Adição e subtração de monômios e polinômios a) ( + 7x) + ( - 3x )=
b) ( - 8x) + (+ 11x)+...

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