大师作文网两条gmat的数学问题
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两条gmat的数学问题
If s is the product of the integers from 100 to 200,inclusive,and t is the product of the integers from 100 to 201,inclusive,what is 1/s + 1/t in terms of
A.\x09(201)2/t
B.\x09[(202)(201)]/t
C.\x09201/t
D.\x09202/t
E.\x09[(202)(201)]/t2
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards?\x09(1 mile = 1,160 yards)
A.\x098
B.\x099
C.\x0910
D.\x0911
E.\x0912
If s is the product of the integers from 100 to 200,inclusive,and t is the product of the integers from 100 to 201,inclusive,what is 1/s + 1/t in terms of
A.\x09(201)2/t
B.\x09[(202)(201)]/t
C.\x09201/t
D.\x09202/t
E.\x09[(202)(201)]/t2
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards?\x09(1 mile = 1,160 yards)
A.\x098
B.\x099
C.\x0910
D.\x0911
E.\x0912
第一题选d,这就是同分啊.第二题我纠结了半天才发现你搞错了,1mile=1760yards.所以答案是10.就是根据速度和路程求时间啊.