问题 解答题
直接写出得数.
39÷
13
10
=
16
7
-
5
13
-
8
13
=
1
4
-
1
5
)×20=
4
5
-
4
5
=
1
3
×3÷
1
3
×3=
11.75-(1
3
4
+5)=
0.32=2-
2
5
×
2
5
=
答案

39÷
13
10
=30
16
7
-
5
13
-
8
13
=
9
7
1
4
-
1
5
)×20=1
4
5
-
4
5
=4
1
5
1
3
×3÷
1
3
×3=9
11.75-(1
3
4
+5)=5
0.32=0.092-
2
5
×
2
5
=
46
25

解答题
单项选择题