Efetue e sempre que possível , simplifique o resultado
A) -2/3 - 1/4 -2/6
B) 1/4 - 2/3
C) - 2/5 + 1/10 - 7/10
D) (-1/3) . (-1/2). (3/2)
E) (-2/5). (-3/7)
F) (1/4). (-1/5) ÷ (2/7)
G) (-1/3) + (-2/3)
H) 3/5 :(1/3)
I) 1/3 ÷ (3/5)
J) (5/3) - (+1/4)
K) (-1/3) + (-2/5)
L) (-1/3). (-1/4)
A) -2/3 - 1/4 -2/6
B) 1/4 - 2/3
C) - 2/5 + 1/10 - 7/10
D) (-1/3) . (-1/2). (3/2)
E) (-2/5). (-3/7)
F) (1/4). (-1/5) ÷ (2/7)
G) (-1/3) + (-2/3)
H) 3/5 :(1/3)
I) 1/3 ÷ (3/5)
J) (5/3) - (+1/4)
K) (-1/3) + (-2/5)
L) (-1/3). (-1/4)
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B) - 5/12 (nao simplifica)
C) - 10/10 : 2 = 5/5= 1 inteiro
D) 54/6 : 2 = 27/3 : 3 = 9
E) 210/5 : 5 42/7 : 7 =6
G)1 inteiro
- 2/3/4 - 1/4/3 - 2/6/2 =
- 8/12 - 3/12 - 4/12 = - 15/12 = - 5/4
b) MMC de 4 , 3 = 12
1/4/3 - 2/3/4 =
3/12 - 8/12 = - 5/12
c) MMC de 5,10,10 = 10
- 2/5/2 + 1/10/1 - 7/10/1
- 4/10 + 1/10 - 7/10 = - 10/10 = - 1
d) + 3/12 = + 1/4
e) + 6/35
f) - 1/20 : (2/7) = - 1/20 . 7/2 = - 7/40
g) - 3/3 = - 1
h) 3/5 . ( - 3/2) = - 6/10 = - 3/5
i) 1/3 .5/3 = 5/9
j) MMC 3, 4 = 12
5/3/4 - (+ 1/4/3) = 20/12 - 3/12 = 17/12
k) MMC de 3 , 5 = 15
- 1/3/5 + ( - 2/5/3) = 5/15 - 6/15 = - 1/15
l) + 1/12