问题 解答题
直接写出得数.
3
5
+
1
5
=
1-
3
7
=
7
9
-
2
9
=
0.9×100=
2
3
+
1
4
=
0.64÷16=
1
4
+
1
5
=
7
10
-
1
5
=
7
8
+
1
8
=
5
7
+
5
14
=
答案

3
5
+
1
5
=
4
5
1-
3
7
=
4
7
7
9
-
2
9
=
5
9
0.9×100=90,
2
3
+
1
4
=
11
12
0.64÷16=0.04,
1
4
+
1
5
=
9
20
7
10
-
1
5
=
1
2
7
8
+
1
8
=1,
5
7
+
5
14
=
15
14
故答案为:
4
5
4
7
5
9
,90,
11
12
,0.04,
9
20
1
2
,1,
15
14

单项选择题
单项选择题