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Mathematics, 07.12.2020 15:10 chevystewart6628

Urgent, am nevoie de ajutor.. 1.C\frac{3}{n} =2C\frac{2}{n}

2.A\frac{2}{n+3} =20

3.P_{n} =120

4.7A\frac{3}{n} = 15C\frac{n-5}{n}

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Urgent, am nevoie de ajutor.. 1. =2

2.

3.

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