登录
一、口算。
5-2=
9-8=
9-2-6=
3-2=
2+7=
6-1+4=
1+8=
8-6=
5+3-8=
4+5=
6-2=
4-3+2=
8-5=
5+3=
9-5-3=
3+6=
7-3=
5+3-6=
9-1=
4-4=
1+3+4=
1+7=
4+4=
6+3-1=
9-6=
7-2=
6-0+3=
8-7=
6+2=
4+5-6=
5-2=
9-8=
9-2-6=
3-2=
2+7=
6-1+4=
1+8=
8-6=
5+3-8=
4+5=
6-2=
4-3+2=
8-5=
5+3=
9-5-3=
3+6=
7-3=
5+3-6=
9-1=
4-4=
1+3+4=
1+7=
4+4=
6+3-1=
9-6=
7-2=
6-0+3=
8-7=
6+2=
4+5-6=
答案
1.9
2.2
3.7
4.6
5.8
6.1
7.6
8.0
9.9
10.1
11.7
12.8
13.3
14.4
15.6
16.4
17.3
18.1
19.8
20.3
21.3
22.0
23.8
24.2
25.9
26.2
27.7
28.4
29.9
30.9
2.2
3.7
4.6
5.8
6.1
7.6
8.0
9.9
10.1
11.7
12.8
13.3
14.4
15.6
16.4
17.3
18.1
19.8
20.3
21.3
22.0
23.8
24.2
25.9
26.2
27.7
28.4
29.9
30.9
二、在○里填“＞”“＜”或“=”。
$6-2◯6+2$
$9-5◯2+3$
$9-3◯2+6$
$7-0◯7+0$
$1+8◯8+1$
$8-3◯9-4$
$7◯8-5+3$
$7-3-2◯1$
$9◯6+2-5$
$6-2◯6+2$
$9-5◯2+3$
$9-3◯2+6$
$7-0◯7+0$
$1+8◯8+1$
$8-3◯9-4$
$7◯8-5+3$
$7-3-2◯1$
$9◯6+2-5$
答案
1.△
2.○
3.○
4.△
5.△
6.△
7.○
8.△
9.△
2.○
3.○
4.△
5.△
6.△
7.○
8.△
9.△
