Respostas

2013-10-16T22:51:06-03:00
A) 2 3/4 , 2x4 = 8+3= 11 R: 11/4
b) 5 1/3 , 5x3 = 15+1= 16 R: 16/3
c) 6 2/7 , 6x7 = 42+2= 44 R: 44/7
d) 4 1/2 , 4x2= 8+1= 9 R: 9/2
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