1) 5,1(12) = 5 + 1/10 + 1/100 + 2/1000 = 5.1125.112 + 128/330 = 5.112 + 0.3879 = 5.499
2) 2,3(72) = 2 + 3/10 + 7/100 + 2/1000 = 2.3722.372 - 41/110 = 2.372 - 0.3727 = 2
3) 2,(8) = 2.888...2.888... + 5/3 = 2.888... + 1.666 = 4.554...
4) 3,16(54) = 3 + 16/100 + 5/1000 + 4/10000 = 3.16543.1654 - 18/275 = 3.1654 - 0.0655 = 3.0999
1) 5,1(12) = 5 + 1/10 + 1/100 + 2/1000 = 5.112
5.112 + 128/330 = 5.112 + 0.3879 = 5.499
2) 2,3(72) = 2 + 3/10 + 7/100 + 2/1000 = 2.372
2.372 - 41/110 = 2.372 - 0.3727 = 2
3) 2,(8) = 2.888...
2.888... + 5/3 = 2.888... + 1.666 = 4.554...
4) 3,16(54) = 3 + 16/100 + 5/1000 + 4/10000 = 3.1654
3.1654 - 18/275 = 3.1654 - 0.0655 = 3.0999