15- (-2) * 4 5-2
_________________________ + _________
-11 + 4 2-3
to jest zadanie z dwoma dużymi kreskami ułamkowymi
23/-7 + 3/-1 = -3 2/7 -3 = 2/7
15- (-2) * 4 5-2 15 - (-8) 3 15+8
__________ + ___ = _______ + __ = ____ + 3:(-1) =
-11 + 4 2-3 -7 -1 -7
= 23 : (-7) - 3 = -3 2/7 - 3 = -6 2/7
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23/-7 + 3/-1 = -3 2/7 -3 = 2/7
15- (-2) * 4 5-2 15 - (-8) 3 15+8
__________ + ___ = _______ + __ = ____ + 3:(-1) =
-11 + 4 2-3 -7 -1 -7
= 23 : (-7) - 3 = -3 2/7 - 3 = -6 2/7