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Popular >

10 choose 5

الحلّ

10C5

الحلّ

252

خطوات الحلّ

= \frac{n !}{r ! ( n - r ) !}

n = 10, r = 5

استبدل

= \frac{10 !}{5 ! ( 10 - 5 ) !}

\frac{10 !}{5 ! ( 10 - 5 ) !} = 252

= 252

أمثلة شائعة

arithmeticmean 9,6,9,3,5,9,6,9,4,3,9,9,5,9,6,7,7,8,8,3 average

9, 6, 9, 3, 5, 9, 6, 9, 4, 3, 9, 9, 5, 9, 6, 7, 7, 8, 8, 3

arithmeticmean 48,42,56,64,40,40,48,42,56,30,64,48,53 average

48, 42, 56, 64, 40, 40, 48, 42, 56, 30, 64, 48, 53

geometricmean 90,94,53,68,79,84,87,72,70,69,65,89,85 geometric mean

90, 94, 53, 68, 79, 84, 87, 72, 70, 69, 65, 89, 85

6 C 2

7 c 2