Oblicz:
a) 3/4 - 3/2 + ( 2 1/2 - 1 7/8):1/8-2 1/4
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a)
3/4 - 3/2 + ( 2 1/2 - 1 7/8):1/8-2 1/4 =
3/4 - 3/2 + ( 2 4/8 - 1 7/8): 1/8 - 2 1/4 =
3/4 - 3/2 + ( 1 12/8 - 1 7/8): 1/8 - 2 1/4 =
3/4 - 3/2 + 5/8 : 1/8 - 2 1/4 =
3/4 - 3/2 + 5/8 * 8/1 - 2 1/4 =
3/4 - 6/4 + 5 - 2 1/4 = (-3/4) + 5 + (-2 1/4) = 5 + (-3) = 2
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a)
3/4 - 3/2 + ( 2 1/2 - 1 7/8):1/8-2 1/4 =
3/4 - 3/2 + ( 2 4/8 - 1 7/8): 1/8 - 2 1/4 =
3/4 - 3/2 + ( 1 12/8 - 1 7/8): 1/8 - 2 1/4 =
3/4 - 3/2 + 5/8 : 1/8 - 2 1/4 =
3/4 - 3/2 + 5/8 * 8/1 - 2 1/4 =
3/4 - 6/4 + 5 - 2 1/4 = (-3/4) + 5 + (-2 1/4) = 5 + (-3) = 2