Respostas
respondido por:
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Boa tarde
a) 3/4 + 1/2 + 2/3
mmc(2,3,4) = 12
9/12 + 6/12 + 8/12 = 23/12
b) -3/5 + 1/2 + 1/3
mmc(2,3,5) = 30
-18/30 + 15/30 + 10/30 = 7/30
c) 3/8 * 12/3
(3*12)/(8*3) = 12/8 = 3/2
d) (5/3)/(3/4) = (5/3)*(4/3) = 20/9
a) 3/4 + 1/2 + 2/3
mmc(2,3,4) = 12
9/12 + 6/12 + 8/12 = 23/12
b) -3/5 + 1/2 + 1/3
mmc(2,3,5) = 30
-18/30 + 15/30 + 10/30 = 7/30
c) 3/8 * 12/3
(3*12)/(8*3) = 12/8 = 3/2
d) (5/3)/(3/4) = (5/3)*(4/3) = 20/9
alexandreebruna:
Obg
respondido por:
0
a) 3.4+1.2+2.3=6.9 b) -3.5+1.2+1.3=1. c) 3.8* 12.3=46.74 d) 5.3:3.4=1.558
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