Odpowiedź:
1.12-8m + 15m +30 = 7m + 42
2. -2x +6 -6 +4x = 2x
3. 3ab -15a - 8ab -4b = -15a - 4b - 5ab
4. -10y +8 +21 -14y = -24y +29
chyba dobrze :)))
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Odpowiedź:
1.12-8m + 15m +30 = 7m + 42
2. -2x +6 -6 +4x = 2x
3. 3ab -15a - 8ab -4b = -15a - 4b - 5ab
4. -10y +8 +21 -14y = -24y +29
chyba dobrze :)))