(本題共兩小題,每小題6分,滿分12分)
(1)解不等式組:
(2)因式分解:
(1)
解:由①得 .··············································································· 2分
由②得 .··················································································· 4分
不等式組解集為.·································································· 6分
(2)解:
························································································ 2分
.·············································································· 6分
【解析】略
科目:初中數(shù)學(xué) 來源:2011年初中畢業(yè)升學(xué)考試(安徽蕪湖卷)數(shù)學(xué) 題型:解答題
(本題共兩小題.每小題6分.滿分l2分)
(1)計算:
(2)求滿足不等式組的整數(shù)解。
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科目:初中數(shù)學(xué) 來源:2010年安徽省蕪湖市畢業(yè)學(xué)業(yè)考試模擬試卷(一)數(shù)學(xué)卷 題型:解答題
(本題共兩小題,每小題6分,滿分12分)
(1)計算:
(2)解方程:
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