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题库 / Prep2007E2-DS-203
What is the result when x is rounded to the nearest hundredth?
(1) When x is rounded to the nearest thousandth the result is 0.455.
(2) The thousandths digit of x is 5.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
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取到千分位为0.455的数可能有0.4551/0.4552/0.4553/0.4554和0.4549/0.4548/0.4547/0.4546/0.4545
一定要考虑到两个方向的变化啊 前一种约到百分位是0.46，后一种约到百分位是0.45！！！一定要自己写出来 不能凭感觉
不是问百分位 问的是四舍五入后的百分位！