Question

5. Qual o valor da operação 3r²y + 3r²y - 2r²y? *
a) 4r²y
b) r²y
c) - 4r²y
d) 8r²y

Answer 1

$\Huge \sf 3r^{2}y+3r^{2}y-2r^{2}y= \dfrac {} {}$

$\Huge \sf 4r^{2}y \dfrac {} {}$

$\Huge \sf ==> Alternativa \dfrac {} {}''a''$