Question

quanto e ?

a)8/13+1/11

b)8/11+5/12

c)8/11+2/12

d)6/7+1/7

e)5/8+6/11

f)8/11+6/13

g)4/5+5/9

h)1/2+4/12

i)6/8+6/13

j)6/12+4/13
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Answer 1

Vamos lá.

a) 8/13+1/11 = 101/143

b) 8/11+5/12 = 151/132

c) 8/11+2/12 = 59/66

d) 6/7+1/7 = 1

e) 5/8+6/11 = 103/88

f) 8/11+6/13 = 170/143

g) 4/5+5/9 = 61/45

h) 1/2+4/12 = 5/6

i) 6/8+6/13 = 63/52

j) 6/12+4/13 = 21/26