[計量] 請問2題數學
1.
n = (28)^3
Column A: The units of digit of n
Column B: 4
Ans: B > A ???
2.
Seven one-dollar bills are to be distributed among three people so that
each person receive at least $1.
Column A: The number of ways to distribute the bills so that at least one
person receives at least $3
Column B: The total number of ways to distribute the bills
可以教我怎麼解嗎...謝謝!!
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推
08/26 13:42, , 1F
08/26 13:42, 1F
→
08/26 13:43, , 2F
08/26 13:43, 2F
推
08/26 14:07, , 3F
08/26 14:07, 3F
→
08/27 07:49, , 4F
08/27 07:49, 4F
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