问题 解答题
1
9
+
4
9
=______;
4
7
-
1
7
=______;
1
5
+
1
8
=______;
0.13=
()
()
1
4
-
1
7
=______;
1-
5
6
=______;
7
8
-
3
4
=______;
6
2
5
=
()
()
答案

1
9
+
4
9
=
5
9
4
7
-
1
7
=
3
7
1
5
+
1
8
=
13
40
; 0.13=
13
100
)=;

1
4
-
1
7
=
3
28
;1-
5
6
=
1
6
7
8
-
3
4
=
1
8
;6
2
5
=
(32)
(5)

故答案为:

5
9
3
7
13
40
13
100
3
28
1
6
1
8
32
5

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