问题 解答题
直接写出得数.
1
7
+
5
7
=
4
9
-
1
3
=
1
8
+
5
8
=
1
4
-
1
5
=
1
3
-
1
4
=
1-
5
9
=
0.2+
1
5
=
1.2÷5=
答案

1
7
+
5
7
=
6
7
4
9
-
1
3
=
1
9
1
8
+
5
8
=
3
4
1
4
-
1
5
=
1
20
1
3
-
1
4
=
1
12
1-
5
9
=
4
9
0.2+
1
5
=
2
5
1.2÷5=0.24.
故答案为:
6
7
1
9
3
4
1
20
1
12
1
9
4
9
2
5
,0.24.

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