答印
.page
数学
语文
英语
模版
历史版本
未登录，请先登录
加减混合运算
12
+1
-8
=
4
+11
-5
=
3
-1
+13
=
4
+13
+12
=
3
-2
+8
=
4
+12
-8
=
11
-6
+12
=
11
+16
-1
=
13
+4
-10
=
9
+10
+16
=
11
+4
-3
=
16
+17
-5
=
13
+13
-7
=
12
-5
+19
=
8
+11
+9
=
9
+16
-5
=
17
-16
+8
=
11
-10
+11
=
1
+5
+12
=
2
+14
-2
=
17
+10
+8
=
8
+14
+17
=
14
-14
+7
=
13
+5
-3
=
7
-7
+11
=
18
+2
-18
=
16
+5
+9
=
5
+12
-10
=
9
+19
+17
=
8
+12
-15
=
14
+17
-3
=
16
+6
-11
=
14
-14
+4
=
14
-3
+7
=
9
+14
+19
=
2
+6
+15
=
19
+7
-13
=
17
+19
+11
=
8
-7
+17
=
12
+18
+18
=
18
+13
+15
=
18
+10
+15
=
14
+3
+15
=
8
+12
+6
=
13
+9
-15
=
2
+18
-13
=
12
+17
-5
=
11
+4
+8
=
打 印
配置
请先选择组件