试题 试卷
题型:单选题 题类: 难易度:普通
【小白鸥-情境题】数学北师大三上第八单元自测卷(2)
8.37-2.17+0.83
=8.37-(2.17+0.83)
=8.37-3
=5.37( )
改正:
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