Page 129 - Fixtures
P. 129
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12 . :
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:
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:
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.C(8 + 3 − 1, 3 − 1) = C(10,2) = 45
:
.4
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.C(5 + 4 − 1, 4 − 1) = C(8, 3) = 8 × 7 × 6 = 56
3 ×2 ×1
:
.6
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