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Mathematics, 21.06.2019 13:00
Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?
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Mathematics, 21.06.2019 21:20
Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?
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Mathematics, 21.06.2019 23:30
Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b
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Desmos laser challenge #6:Hit the target
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