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01最大公因數與最小公倍數04公倍數和最小公倍數 (選擇02)
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(11) 2×2×3×5 和 2×5×7 的最小公倍數是
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34 points
2×5
2×2×3×5×7
2×3×5×7
2×2×3×5×5×7
(12) 甲和 72 的最大公因數是 12,甲和 72 的最小公倍數是 360,甲是多少?
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33 points
108
60
72
36
(13) 將整數 a、b 用短除法做質因數分解,記錄如下。已知 a>b,a、b 的最大公因數是 10,最小公倍數是 70。下列哪一個關係是正確的?
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33 points
f<d
e>f
d>e
e>g
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