问题 解答题
直接写出得数
1-
3
8
=
4
7
÷4=
2
9
=
5
6
-
1
3
=
0.8×0.01=1÷0.05=1.6×0.25=5.4÷60=
7
8
×
2
7
=
9
11
÷
9
22
=
1
5
+
3
8
=
9-
5
13
-
3
13
=
答案

(1)1-
3
8
=
5
8
(2)
4
7
÷4=
1
7
(3)1÷
2
9
=4
1
2
(4)
5
6
-
1
3
=
1
2
(5)0.8×0.01=0.008(6)1÷0.05=20(7)1.6×0.25=0.4(8)5.4÷60=0.09
(9)
7
8
×
2
7
=
1
4
(10)
9
11
÷
9
22
=2
(11)
1
5
+
3
8
=
23
40
(12)9-
5
13
-
3
13
=8
5
13
故答案为:
5
8
1
7
,4
1
2
1
2
,0.008,20,0.4,0.09,
1
4
,2,
23
40
,8
5
13

综合
判断题