试题 试卷
题型:单选题 题类:常考题 难易度:容易
①7,37,67,97,127,157,187,217,247,277;
②5,9,100,107,121,180,195,221,265,299;
③11,41,71,101,131,161,191,221,251,281;
④31,61,91,121,151,181,211,241,271,300
关于上述样本的下列结论中,正确的是( )
进步明显
进步不明显
合计
班级
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