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winterfilipe
@winterfilipe
October 2021
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1. A expressão 12(x/3+ x/4 + x/2) é igual a :
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poty
Verified answer
12(x/3+x/4+x/2)= ---mmc(2,3,4)= 12
12(4x/12 + 3x/12 + 6x/12)=
12 . 13x/12 =
13x (depois de cortar os 12)
Poderia resolver também usando a distributiva. Veja:
12x/3 + 12x/4 + 12x/2= ---mmc(2,3,4)=12
48x/12 + 36x/12 + 72x/12 = 156x/12 = (156:12)x/12:12 = 13x
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Verified answer
12(x/3+x/4+x/2)= ---mmc(2,3,4)= 1212(4x/12 + 3x/12 + 6x/12)=
12 . 13x/12 = 13x (depois de cortar os 12)
Poderia resolver também usando a distributiva. Veja:
12x/3 + 12x/4 + 12x/2= ---mmc(2,3,4)=12
48x/12 + 36x/12 + 72x/12 = 156x/12 = (156:12)x/12:12 = 13x