试题 试卷
题型:解决问题 题类: 难易度:普通
【小白鸥-情境题】数学苏教版三上期末自测卷(1)
+ = + = + = 1- =
- = - = + = 1- =
140+260=
630-180=
200×5=
150×6=
396×3≈
602×4≈
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