Respostas
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Resposta:
a) 3/7+3/7+3/7= 3+3+3/7= 9/7
b)5/8+5/8+5/8+5/8+5/8=5+5+5+5+5/8= 25/8
c) 7x2/9= 2/9+2/9+2/9+2/9+2/9+2/9+2/9= 14/9
d)4/6+4/6+4/6+4/6= 16/6
Explicação passo-a-passo:
a) 3/7+3/7+3/7= 3+3+3/7= 9/7
b)5/8+5/8+5/8+5/8+5/8=5+5+5+5+5/8= 25/8
c) 7x2/9= 2/9+2/9+2/9+2/9+2/9+2/9+2/9= 14/9
d)4/6+4/6+4/6+4/6= 16/6
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