2 3/8 - 6/7=?
126 1/5 - 2/3=?
48 7/10 - 13 1/4=?
56 2/9 - 7 7/8=?
13 7/12 - 9 8/9=?
oblicz!! to zadanie jest w ulamkach !! prosze odobre rozwaiazanie
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2 3/8 - 6/7=
= 19/8 - 6/7 =
= 133/56 - 48/56 =
= 85/56=
= 1 i 29/56
126 1/5 - 2/3=
= (631/5 )- (2/3) =
= (1893/15 )- (10/15)=
= 1883/15
= 125 i 8/15
48 7/10 - 13 1/4=
= 487/10 - 53/4 =
= 974/20 - 265/20 =
= 709/20=
= 35,45
56 2/9 - 7 7/8=
506/9 - 63/8 =
= 4048/72 - 567/72 =
= 3481/72
13 7/12 - 9 8/9=
163/12 - 89/9 =
= 489/36 - 356/36 =
= 133/36=
= 3 i 25/36