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1. Ecuaciones
2. Numeros Enteros
3. Monomios
4. Fracciones

x-x

-95

-8x

86561/4

-5366

3x-2x

x + x

5x/8x

3x-5x+4x/5x

1x

5x

69

x·x

346/44

424/54

213

4345533175174171541547545471x

3x

-56532x

756/521

547/5

132

45/5

4