
公因數公倍數
Quiz by 游怡亭
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11 questions
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- Q1以下哪個數字是15和20的公倍數?5060304030s
- Q2以下哪個數字是18和24的公倍數?6048723630s
- Q3以下哪個數字不是9和12的公因數?642330s
- Q4什麼是互質?兩個數字的乘積為1兩個數字的最大公因數為1兩個數字的最小公倍數為1
除了1和自己以外沒其他因數
30s - Q5互質的兩個數字的最小公倍數為多少?兩個數字的差兩個數字的和兩個數字的乘積兩個數字的最大公因數30s
- Q6以下哪對數字是互質的?21與2812與2015與2027與3530s
- Q7以下哪個數是合數?7315530s
- Q8以下哪個數不是合數?846230s
- Q9求下列數字的標準分解式,求出最大公因數:8, 12, 242^3 × 32^32^22^430s
- Q10以下哪個是求兩數最小公倍數的標準分解式?分別將兩數進行質因數分解,再相加得到最小公倍數將兩數相加後再除以兩數的最大公因數將兩數相乘後再除以兩數的最大公因數分別將兩數進行質因數分解,再求取其所有質因數的最高次數的乘積30s
- Q11根據標準分解式求以下數對的最小公倍數:(15, 20)4560503630s