10, 10+0, 11, 10+1, 12, 10+2, 13, 10+3, 14, 10+4, 15, 10+5, 16, 10+6, 17, 10+7, 18, 10+8, 19, 10+9, 20, 10+10

Repaso SUMAR 10+...=?

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