中小学试卷免费下载网 · 试卷资源
口算同分母分子数加减3
三年级数学一课一练
三年级数学一课一练
《口算同分母分子数加减3》详情
资料介绍
3年级数学上册一课一练
📄 文档预览（前 3 页）
💡 提示：此为 PDF/Word 转换的 HTML 预览，部分格式可能与原文档略有差异
《同分母分子数加减》练习
题量：
100
姓名：
成绩：
6
2
-
1
2
=
9
3
+
5
3
=
5
6
-
3
6
=
1
7
+
1
7
=
2
9
+
1
9
=
6
4
+
1
4
=
1
7
-
1
7
=
1
9
+
1
9
=
9
4
+
7
4
=
8
8
-
7
8
=
9
9
-
6
9
=
5
6
-
1
6
=
7
6
-
1
6
=
3
7
+
2
7
=
4
4
+
1
4
=
5
6
+
1
6
=
3
8
+
3
8
=
8
6
+
1
6
=
3
4
+
3
4
=
9
2
+
4
2
=
3
4
+
2
4
=
6
2
-
3
2
=
6
4
-
5
4
=
5
9
+
1
9
=
4
6
+
3
6
=
2
4
-
2
4
=
2
7
-
2
7
=
3
9
-
1
9
=
2
5
+
2
5
=
9
2
-
9
2
=
7
9
+
4
9
=
4
7
+
3
7
=
9
6
-
6
6
=
2
8
+
2
8
=
2
4
+
2
4
=
3
2
+
1
2
=
2
7
-
2
7
=
1
8
+
1
8
=
8
4
-
2
4
=
1
8
+
1
8
=
扫码自动批改
1
8
-
1
8
=
9
2
-
6
2
=
4
5
-
1
5
=
4
7
+
3
7
=
8
6
+
5
6
=
9
3
-
1
3
=
7
6
-
4
6
=
6
5
+
4
5
=
5
8
-
1
8
=
7
2
+
6
2
=
3
5
+
3
5
=
4
3
+
1
3
=
1
8
-
1
8
=
2
3
-
1
3
=
5
7
+
2
7
=
8
6
-
2
6
=
7
4
+
3
4
=
3
8
-
1
8
=
8
9
-
7
9
=
4
8
-
3
8
=
6
8
+
3
8
=
3
7
+
2
7
=
7
8
-
5
8
=
2
9
-
1
9
=
3
5
-
1
5
=
4
4
-
4
4
=
8
3
+
1
3
=
2
4
-
1
4
=
3
5
-
1
5
=
4
3
+
4
3
=
7
2
+
6
2
=
1
3
+
1
3
=
3
3
+
2
3
=
2
3
+
1
3
=
5
9
+
2
9
=
9
8
+
8
8
=
3
5
+
2
5
=
4
2
+
4
2
=
3
7
-
3
7
=
8
6
-
1
6
=
9
5
-
7
5
=
3
9
-
1
9
=
9
2
+
9
2
=
4
9
-
4
9
=
7
5
+
5
5
=
1
3
+
1
3
=
1
5
-
1
5
=
1
8
-
1
8
=
6
6
+
2
6
=
2
7
+
1
7
=
9
2
+
1
2
=
9
9
-
9
9
=
2
3
-
1
3
=
5
5
+
2
5
=
4
2
-
3
2
=
1
4
+
1
4
=
2
2
-
2
2
=
3
3
+
2
3
=
1
8
-
1
8
=
6
6
+
6
6
=
📄 已显示前 3 页内容完整资料请点击上方下载按钮