[解題] 因數與倍數問題 (獎勵金1500p幣!!!)
1.年級：一年級
2.科目：數學
3.章節：因數與倍數
4.題目：
2x*x - 6
設 x 為正整數 , ___________ = P 為正整數 , 則數對 (x,P) = ________
x
5.想法:
原式 = 2x - 6/x = P 則x = 1,2,3,6 P = -4,1,4,11
但是答案顯示只有 (6,11) 這組為正確答案 (1,-4)就不用提了 因為 -4 本來就不合題意
但是為什麼其他組(2.1)和(3,4)卻也都不合????
可是明明就都符合題目的要求阿....囧 請強者為我解答 謝謝您
有豐厚P幣做為酬勞(1500p幣)
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