01)Calcule no caderno.
a) 29a+4a-21a
b)×+3×-×+5×-×
c)3×+4׳-5×+ײ+2×
d)¾y-y/5+7/2y
e)4a+5b+7/2a-b
Soluções para a tarefa
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01
a-29a+4a-21a=33a-21a=12a
b x+3x-x+5x-x=4x-x=3x+5x=8x-x= 7x
c 3x+4x^3-5x+x^2=4^3x +x^2
a-29a+4a-21a=33a-21a=12a
b x+3x-x+5x-x=4x-x=3x+5x=8x-x= 7x
c 3x+4x^3-5x+x^2=4^3x +x^2
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