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消防员爸爸 三年级数学计算题

分数加减综合练习(2025.12)切换为日期

班级__________学号__________ 姓名__________________成绩__________
3/6
-
2/6
=
6/9
-
4/9
=
1/6
+
4/6
=
2/3
-
1/3
=
7/8
-
1/8
=
1/9
+
4/9
=
7/8
+
1/8
=
10/10
-
6/10
=
3/3
-
2/3
=
9/10
-
1/10
=
5/9
-
1/9
=
3/5
-
2/5
=
3/9
+
5/9
=
2/2
-
1/2
=
1/10
+
5/10
=
1/8
+
5/8
=
2/3
-
2/3
=
4/8
-
2/8
=
5/9
+
1/9
=
2/4
-
1/4
=
1/9
+
5/9
=
7/9
-
1/9
=
2/8
-
1/8
=
4/4
-
3/4
=
1/10
+
7/10
=
5/10
+
3/10
=
1/6
+
5/6
=
10/10
-
4/10
=
7/8
-
2/8
=
2/6
+
3/6
=
1/8
+
1/8
=
7/9
+
1/9
=
6/7
-
5/7
=
4/8
+
2/8
=
7/9
-
2/9
=
1/5
+
4/5
=
8/9
-
6/9
=
7/9
+
2/9
=
4/7
-
3/7
=
1/10
+
6/10
=
1/8
+
4/8
=
5/10
-
3/10
=
3/5
+
2/5
=
2/8
+
1/8
=
8/8
-
7/8
=
1/3
+
2/3
=
3/6
+
2/6
=
2/3
+
1/3
=
4/9
+
3/9
=
4/9
-
3/9
=