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3.方程式x + y + z + w = 3有多少組非負整數解? (A)12 (B)18 (C)20 (D)24
問題詳情
3.方程式x + y + z + w = 3有多少組非負整數解?
(A)12
(B)18
(C)20
(D)24
參考答案
上一篇 :
2.下列何點與原點在直線2x - y - 5 = 0的同側? (A)(1 , 2) (B)(2 , -1) (C)(2 , -2) (D)(3 , -1)
下一篇 :
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