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suma y resta de fracciones
Autor :
michel toledo burgos
1.
1/4 + 3/5 =
2.
2/6 + 3/4 =
3.
2/3 + 2/4 =
4.
4/5 - 6/3 =
5.
1/2 - 3/4 =
6.
1/4 - 10/6 =
