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Regina258
@Regina258
January 2020
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Resolva as expressões. a)6+7\8 dividido por 21\4-5\3 b)1\7-49\27 dividido por (7\3) elevado a 3 c)raiz quadrada de 169+1-1\18x10
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pirlimpimpim
Oi,
a)
6 + 7/8 ÷ 21/4 - 5/3 =
6/1 + 28/168 - 5/3 =
968/204
______________________
b)
1/7 - 49/27 (7/3)³ =
1/7 - 1323/9261 =
0/9261
______________________
c)
√169 + 1 - 1/18 × 10 =
13 + 1 - 1/18 × 10 =
13 + 1 - 10/18 =
14 - 10/18 =
242/18
espero ter ajudada(o) e bons estudos
3 votes
Thanks 11
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a)
6 + 7/8 ÷ 21/4 - 5/3 =
6/1 + 28/168 - 5/3 =
968/204
______________________
b)
1/7 - 49/27 (7/3)³ =
1/7 - 1323/9261 =
0/9261
______________________
c)
√169 + 1 - 1/18 × 10 =
13 + 1 - 1/18 × 10 =
13 + 1 - 10/18 =
14 - 10/18 =
242/18
espero ter ajudada(o) e bons estudos