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标题: 问大家一道数学题 [打印本页]

作者: Ladola    时间: 2018-9-11 11:56:38     标题: 问大家一道数学题

44. r and t are consecutive integers and p=r2+t􀌶
Quantity A􀒓(-1)p
Quantity B􀒓-1
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
我想问一下,答案为什么是B啊?r,t不是有可能取0吗,0也是整数啊?
谢谢大家了!
作者: LXcoppor    时间: 2018-9-12 05:52:49

r,t是连续整数啊,r=0则t=1, 反之亦然




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