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消防员爸爸 三年级数学计算题

分数加法运算(2026.4)切换为日期

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