题目内容
(
)
______ (
)
,(
)
______ 2
; (比较大小,用大小号填空)
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①∵y=(
)x在实数集上单调递减,∴(
)
<(
)
;
②∵(
)
=2-
<2
,∴(
)
<(
)
.
故答案分别为<,<.
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②∵(
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故答案分别为<,<.
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