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Oblicz:
A) 3 3/4 (- 7 - 8 1/2 ) - 6 = ?
B) -2 1/7 - (4+ (6 3/4) ) - 8 = ?
C) - 6 - ( 8 1/4 - 6 + (7)) = ?
D) - 2 + (3 - 6 1/4 - ( - 2)) = ?