1.Oblicz
a)4 i 8/11 - 3 i 3/8 + 2 i 9/33 =
b)2 i 3/7 + 4 i 3/9 - 1 i 12/14 =
c)6 i 3/5 - 4 i 1/3 + 2 i 7/30 =
a)4 i 8/11 - 3 i 3/8 + 2 i 3/11=7-3 i 3/8=3 i 5/8
b)2 i 3/7 + 4 i 3/9 - 1 i 6/7= 4 i 2/7 + 4 i 3/9= 4 i 18/63 + 4 i 27/63= 8 i 45/63= 8 i 5/7
c)6 i 18/30 - 4 i 10/30 + 2 i 7/30= 13 i 5/30= 13 i 1/6
Pozdro, ŁysyJohnny :)
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a)4 i 8/11 - 3 i 3/8 + 2 i 3/11=7-3 i 3/8=3 i 5/8
b)2 i 3/7 + 4 i 3/9 - 1 i 6/7= 4 i 2/7 + 4 i 3/9= 4 i 18/63 + 4 i 27/63= 8 i 45/63= 8 i 5/7
c)6 i 18/30 - 4 i 10/30 + 2 i 7/30= 13 i 5/30= 13 i 1/6
Pozdro, ŁysyJohnny :)