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Arriba a la izquierda:
4.44 + 2.91 + 4.31 + 3 + 1/2 + 3 + 1/4 =
17.66 + 1/2 + 1/4 =
17.66 + 2/4 + 1/4 =
17.66 + 3/4 =
17.66 + 0.75 =
18.41
Arriba a la derecha:
3.21 + 3.58 + 3.43 + 2 + 1/5 + 1 + 1/10 + 4 + 1/3 =
17.22 + 1/5 + 1/10 + 1/3 =
17.22 + 6/30 + 3/30 + 10/30 =
17.22 + 19/30 =
17.22 + 0.63 =
17.85
Abajo:
Este es ilegible, no se ve bien.
a) (3.6x + 1.5y -7c) - (1.2x + 1.3y + 3c) =
3.6x + 1.5y - 7c - 1.2x - 1.3y - 3c =
2.4x + 0.2y - 10c
b) (8a + 10b - 4) - (3a + 6b - 2) =
8a + 10b - 4 - 3a - 6b + 2 =
5a + 4b - 2