prosze o obliczenie zadania z ułamkami 2 3/7+4 3/9-1 12/14=
2 3/7+4 3/9-1 12/14=2 3/7+4 1/3-1 6/7=2 9/21+4 7/21-1 18/21=6 16/21-1 18/21=5 37/21-1 18/21=4 19/21
17/7+4 1/3 - 1 6/7 =
=17/7 +13/3 -13/7 =
=51/21 + 91/21 - 39/21=
=103/21=4 19/21
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2 3/7+4 3/9-1 12/14=2 3/7+4 1/3-1 6/7=2 9/21+4 7/21-1 18/21=6 16/21-1 18/21=5 37/21-1 18/21=4 19/21
17/7+4 1/3 - 1 6/7 =
=17/7 +13/3 -13/7 =
=51/21 + 91/21 - 39/21=
=103/21=4 19/21