Odpowiedź:
a) 2y +12 - 4y +24 = - 2y +36= - 2 (razy) 1/2 +36 = - 1 + 36= 35 b) 4x - 4y +x - y = 5x - 5y = 5 (razy) 3/2 - 5 (razy) - 1= 15/2 +5 = 7 1/2 + 5 = 7 1/2 + 4 2/2 = 11 3/2 = 12 1/2
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Odpowiedź:
a) 2y +12 - 4y +24 = - 2y +36= - 2 (razy) 1/2 +36 = - 1 + 36= 35 b) 4x - 4y +x - y = 5x - 5y = 5 (razy) 3/2 - 5 (razy) - 1= 15/2 +5 = 7 1/2 + 5 = 7 1/2 + 4 2/2 = 11 3/2 = 12 1/2