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