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消防员爸爸 三年级数学计算题

分数加法运算(2026.8)切换为日期

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