[計量] 請教幾題數學
再過一週就要考機考了,最近才發現數學難度比我想像中的高很多
麻煩各位高手幫我解答了!
題目皆來自於印度機經網
3. If n is divided by 24, the remainder is 21. Which of the following is the divisor of n?
A. 3
B. 4
C. 5
D. 6
E. 7
是問說哪個數除以n可以整除嗎? 3??
1. If 2^n < 10^15, then how many of the following numbers can take the place of n?
A. 30
B. 45
C. 60
D. 75
小妹不才,請問這題要怎麼算會比較快呢?
9. Area of city A which lies in city B is 20% of the area of city B.
Col A: the percent of city A within city B
Col B: 18%
Col A是否就是指a在b中所佔b的比例呢?即題目所述的20%?
謝謝!
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