Resolva as expressões de duas maneiras :
a) 7/12 + 5/6 + 1/3
b)11/6 + 3/4 - 1/2
c) 5/4+ 7/6 - 2/3
d) 13/8 + 5/8 - 7/12
Soluções para a tarefa
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a) 7/12 + 5/6 + 1/3 = 7+10+4 ==> 21
12 12
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b)11/6 + 3/4 - 1/2 = 22+9-6 ==> 25
12 12
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c) 5/4+ 7/6 - 2/3 = 15+14-8 ==> 21
12 12
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d) 13/8 + 5/8 - 7/12 = 39+15-14 ==> 40
24 24
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