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> 计算与化简(每题4分,共8分)小题1:⑴小题2:⑵-九年级数学
计算与化简(每题4分,共8分)小题1:⑴小题2:⑵-九年级数学
题目简介
计算与化简(每题4分,共8分)小题1:⑴小题2:⑵-九年级数学
题目详情
计算与化简(每题4分,共8分)
小题1:⑴
小题2: ⑵
题型:解答题
难度:中档
来源:不详
答案
小题1:1
小题2:2
⑴
⑵
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若在实数范围内有意义,则的取值
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(本题4分)先化简,再求值:,其中.-九年级数学
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若则.-八年级数学
的相反数是,绝对值是。-八年级数学
如果,则()A.a<B.a≤C.a>D.a≥-九年级数学
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题目简介
计算与化简(每题4分,共8分)小题1:⑴小题2:⑵-九年级数学
题目详情
小题1:⑴
小题2: ⑵
答案
小题1:1
小题2:2
⑴
⑵