优质解答
一、你能算得又快又准吗?
8
×
3
=
24
÷
6
=
21
÷
3
=
7
×
4
=
5
×
8
=
6
×
3
=
27
÷
9
=
4
×
8
=
14
÷
2
=
24
-
8
=
32
÷
4
=
7
×
3
=
27
-
9
=
5
×
5
=
18
+
6
=
9
×
1
=
12
÷
6
=
28
÷
7
=
18
÷
9
=
54
+
18
=
70
-
52
=
81
-
7
=
51
+
5
=
25
-
6
=
31
+
8=
61
-
50
=
57
-
40
=
87
-
8
=
9
×
4
=
6
×
3
=
40
÷
5
=
16
÷
8
=
36
+
42
=
24
÷
3
=
4
×
2
=
47
-
16
-
22
=
35
+
9
×
3
=
46
-
3
+
20
=
89
+
12
÷
2
=
3
×
6
-
5
=
68
+
1
×
9
=
14
+
51
-
4
=
8
÷
1
+
77
=
91
-
12
+
34
=
40
÷
8
-
4
=
24
÷
6
-
2
=
65
-
1
+
25
=
4
×
6
-
11
=
24
-
5
÷
5
=
4
×
7
+
38
=
24
÷
6
-
4
=
32
-
10
÷
1
=
96
-
2
×
3
=
39
-
32
-
3
=
4
×
5+2
=
51
-
6
-
10
=
60
-
11
-
40
=
24
÷
4
-
4
=
97
-
89
+
33
=
32
÷
8
-
3
=
3
÷
3
+
5
=
16
-
2
×
7
=
53
-
17
+
46
=
45
÷
9
-
4
=
54
-
35
-
4
=
二、在(
)里填上合适的数:
6
+
6
+
6
+
6
=(
)×(
)
5
×
9
-
5
=(
)×(
)
6
×
7
=
6
×
6
+(
)
9
×
2
>
9
×
(
)
7=(
)
÷
(
)
5
×
(
)=35
21=(
)
×
7
36
÷
(
)=4
(
)
÷
2=5
1
时
40
分
=(
)
分
70
秒
=(
)
分
(
)
秒
60
分
=(
)
时
三、在(
)里填“>”
、
“<”或“=”
5
×
8
(
)
8
×
5
4
×
6
(
)
3
×
8
45
÷
5
(
)
3
×
3
9
×
4
(
)
4
×
8
18
÷
2
(
)
18
÷
3
5
×
2
(
)
36
÷
4
5
+
5
(
)
5
×
5
28
÷
4
(
)
35
-
5
3
×
2
(
)
32
÷
4
6
÷
1
(
)
1
×
6
一、你能算得又快又准吗?
8
×
3
=
24
÷
6
=
21
÷
3
=
7
×
4
=
5
×
8
=
6
×
3
=
27
÷
9
=
4
×
8
=
14
÷
2
=
24
-
8
=
32
÷
4
=
7
×
3
=
27
-
9
=
5
×
5
=
18
+
6
=
9
×
1
=
12
÷
6
=
28
÷
7
=
18
÷
9
=
54
+
18
=
70
-
52
=
81
-
7
=
51
+
5
=
25
-
6
=
31
+
8=
61
-
50
=
57
-
40
=
87
-
8
=
9
×
4
=
6
×
3
=
40
÷
5
=
16
÷
8
=
36
+
42
=
24
÷
3
=
4
×
2
=
47
-
16
-
22
=
35
+
9
×
3
=
46
-
3
+
20
=
89
+
12
÷
2
=
3
×
6
-
5
=
68
+
1
×
9
=
14
+
51
-
4
=
8
÷
1
+
77
=
91
-
12
+
34
=
40
÷
8
-
4
=
24
÷
6
-
2
=
65
-
1
+
25
=
4
×
6
-
11
=
24
-
5
÷
5
=
4
×
7
+
38
=
24
÷
6
-
4
=
32
-
10
÷
1
=
96
-
2
×
3
=
39
-
32
-
3
=
4
×
5+2
=
51
-
6
-
10
=
60
-
11
-
40
=
24
÷
4
-
4
=
97
-
89
+
33
=
32
÷
8
-
3
=
3
÷
3
+
5
=
16
-
2
×
7
=
53
-
17
+
46
=
45
÷
9
-
4
=
54
-
35
-
4
=
二、在(
)里填上合适的数:
6
+
6
+
6
+
6
=(
)×(
)
5
×
9
-
5
=(
)×(
)
6
×
7
=
6
×
6
+(
)
9
×
2
>
9
×
(
)
7=(
)
÷
(
)
5
×
(
)=35
21=(
)
×
7
36
÷
(
)=4
(
)
÷
2=5
1
时
40
分
=(
)
分
70
秒
=(
)
分
(
)
秒
60
分
=(
)
时
三、在(
)里填“>”
、
“<”或“=”
5
×
8
(
)
8
×
5
4
×
6
(
)
3
×
8
45
÷
5
(
)
3
×
3
9
×
4
(
)
4
×
8
18
÷
2
(
)
18
÷
3
5
×
2
(
)
36
÷
4
5
+
5
(
)
5
×
5
28
÷
4
(
)
35
-
5
3
×
2
(
)
32
÷
4
6
÷
1
(
)
1
×
6