问题 解答题
计算下面各题
3
8
×
5
6
=
4
7
×8=
5
18
=
27-
5
9
=
22÷
22
23
=
13
45
×
15
13
=
54÷
27
18
=
15
19
+
3
19
=
1-
4
5
=
25
26
-
12
13
=
16×
7
8
=
5
12
÷
5
12
=
答案

3
8
×
5
6
=
5
16
4
7
×8=4
4
7
5
18
=1
2
3
27-
5
9
=26
4
9
22÷
22
23
=23;
13
45
×
15
13
=
1
3
54÷
27
18
=36;
15
19
+
3
19
=
18
19
1-
4
5
=
1
5
25
26
-
12
13
=
1
26
,;
16×
7
8
=14.
5
12
÷
5
12
=1.

填空题
单项选择题