Re: [計量] BB T-14
※ 引述《mlhchc (追求簡單的幸福)》之銘言：
: 請教以下幾題, 及其題目意思?
: 11. A certain car gets 24 miles per gallon of gasoline for
: city driving, which is 60 percent of the number of miles
: per gallon of gasoline the car gets for highway driving.
: A. The number of gallons B. The number of gallons
: of gasoline used to driving of gasoline used to driving
: this car 30 miles in the city this car 45 miles on the highway
: Ans: A
某車一加侖的油在城市中可行24mile 是此車以等量油在高速公路上所走的路程的60%
A: 30/24
B: 45/(24*10/6)
: 5. If check s of $455 and x dollars are deducted from a checking
: account that has a balance of $800, then $305 of the balance will be left.
: A. x B. 45
: Ans: B
帳戶有800元扣掉455和x剩305
800-455-x=305
: 29. A positive integer with exactly two different divisors greater than 1
: must be
: (A) a prime
: (B) an even integer
: (C) a multiple of 3
: (D) the square of a prime
: (E) the square of an odd integer
: Ans: D
一正整數除了1之外恰有兩因數 故為質數的平方
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10/02 13:12, , 1F
10/02 13:12, 1F
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