Prosze jak najszybciej ! Zadanie jest tez w zbiorze zadan do 1 gimnazjum matematyka1 Przykład : 5,8 - 5 8/9 + 3,4 - 3 3/27 To 5 8/9 i 3 3/27 sa to ułamki Prosze jak najszybciej daje naj! ;D
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5,8-5 8/9=5 8/10 -5 8/9=5 72/90-5 80/90=(-8/90)
3,4-3 3/27=3 4/10-3 3/27=3 108/270- 3 30/270= 78/270
(-8/90) +78/270= (-24/270)+78/270= 54/270
5,8 - 5i8/9 +3,4 -3i3/27 = 5i4/5 - 5i8/9 +3i2/5 -3i3/27 = 9i1/5 - 5i8/9 -3i3/27 =
= 9i27/135 -5i120/135 -3i15/135 = 9i27/135 -8i135/135= 9i27/135 -9= 27/135=1/5