Question

resolva as questões a seguir:
Adição algébrica
a)3b-8b+7b=

b)17y⁴+19y⁴-43y⁴=

c)26a²-8a²-13a²-a²=

d)8xy³-9xy³-10xy³+9xy³=

e)4m²+7n²+3m²4m²-7n²=

f)7x-14x+8x+6x-7x=

​

Answer 1

a)3b-8b+7b= +10b-8b = +2b

b)17y⁴+19y⁴-43y⁴= +36y⁴-43y⁴ = -7y⁴

c)26a²-8a²-13a²-a²= +26a²-22a² = +4a²

d)8xy³-9xy³-10xy³+9xy³= +17xy³-19xy³ = -2xy³

e)4m²+7n²+3m²-4m²-7n²= +3m²

f)7x-14x+8x+6x-7x= +21x-21x = 0

✨✨ Boa tarde

21/06/22