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a) 1 i 3/10 + 99 i 9/11=
b)6 i 1/2 - 1 i 9/11=
c)2 i 3/4 * 3 i 2/5=
d)6 i 3/5 : 1/4=
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a) 1 i 3/10 + 99 i 9/11= 1 i 33/110 + 99 i 90/110 = 101 i 13/110
b)6 i 1/2 - 1 i 9/11= 6 i 11/22 - 1 i 18/22 = 4 i 15/22
c)2 i 3/4 * 3 i 2/5= 11/4 * 17/5 = 187/20 = 9 i 7/20
d)6 i 3/5 : 1/4= 33/5 : 1/4 = 33/5 * 4 = 132/5 = 26 i 2/5
1 i 3/10 + 99 i 9/11 = 1 i 33/110 + 99 i 90/110 = 100 i 122/110 = 101 i 12/110 =
= 101 i 6/55
6 i 1/2 - 1 i 9/11 = 6 i 11/22 - 1 i 18/22 = 5 i 33/22 - 1 i 18/22 = 4 i 15/22
2 i 3/4 * 3 i 2/5 = 11/4 * 17/5 = 187/20 = 9 i 7/20
6 i 3/5 : 1/4 = 33/5 * 4 = 132/5 = 26 i 2/5