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【高中数学】易错点+高频做题法,掌握熟练,提分不难!
①函数单调性的含义:大多数同学都知道若函数在区间D上单调,则函数值随着自变量的增大 (减小)而增大 (减小),但有些意思可能有些人还不是很清楚,若函数在D上单调,则函数必连续 ...
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