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Monomien summa ja erotus
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6x - 4x
2x
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9x - (- 3x)
12x
Oops!
Okay!
- 7x - 3 - 4x - 8
- 11x - 11
Oops!
Okay!
12x + (-13 x)
-x
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Okay!
2a + 7b - 6b - 5a
-3a + b
Oops!
Okay!
-4a + (- 3a)
- 7a
Oops!
Okay!
-3m + 8m
5m
Oops!
Okay!
-4y - (- 7y)
3y
Oops!
Okay!
8y - (-9y)
17y
Oops!
Okay!
6kg - 4kg
2kg
Oops!
Okay!
- 8b + 8b
0
Oops!
Okay!
- 8 + 5x
5x - 8
Oops!
Okay!
9x + 2 - 11x + 6
-2x + 8
Oops!
Okay!
-8x - 9x
-17x
Oops!
Okay!
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