Is r to the right of -6 on the number line?
(1) r is between -4 and -1 on the number line.
(2) r is between -3 and 1 on the number line.
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.
所以numberline 就规定了数字的顺序是从小到大!!!
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