Question

calcule:

a) 2x+(-7x)-(-3x)=

b) (4mn)•(-10m)=

c) 5m^3+2m^3-4m^3=

d) -3abc•9a^2b=

e)6m^5:2m^3=

f) 2b^3c^5:2bc^3=

g) (3x^3y^4)^2=

h) (-2a^2bc)^3=

Answer 1

Resposta:

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Explicação passo-a-passo:

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