Question

resolva as frações:
a) - 5_ 8 + 5_6
b) - 1_12 + 3_10
c) - 5_6 + 3_4
d) 2_3 + 5_6 - 1_2
e) 1_10 - 5_8
f) 1_3 - 2_9
g) 3_7 + 2_5
h) 2_5 + 1_4
i) 7_10 - 2_5
j) 1_4 - 1_20
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Answer 1

Explicação passo-a-passo:

-5-8+5-6= -14

-1-12+3-10 = -6

-5-6+3-4 = -12

+2-3+5-6-1-2= -5

1-10-5-8 = -24

1-3-2-9=-13

3-7+2-5=-7

2-5+1-4=-6

7-10-2-5= -10

1-4-1-20= -24