问题
填空题
计算:
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答案
原式=
-4x 2x-1 2 2x-1
=2(2x-1) 2x-1
=2.
故答案为:2.
计算:
|
原式=
-4x 2x-1 2 2x-1
=2(2x-1) 2x-1
=2.
故答案为:2.
根据对话情景和内容,从对话后所给的选项中选出能填入每一空白处的最佳选项。选项有两个为多余选项。(此题请答在答题纸上) —He is very good, isn’t he? — 6 —I said the singer was great. — 7 —Have you seen him here before? — 8 I think he probably writes the music and words because I’ve never heard any of the songs before. —It’s not fair. — 9 —People with musical ability like that having to stand here to make a living. — 10
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