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消防员爸爸 三年级数学计算题

分数减法运算(2025.8)切换为日期

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