试题:
直接写出得数.
1
2
+
1
3
=
2
3
-
1
6
=
3
7
×
1
6
=
13
5
+13
=
100÷50%=
0.25-
1
4
=
1-20%= 0.3×30%=
4
9
×
3
16
×4=
1
4
÷
1
4
=
(
1
3
+
1
5
)
×30=
1-
3
8
-
3
8
=

答案:

我来补答
1
2
+
1
3
=
5
6
2
3
-
1
6
=
1
2
3
7
×
1
6
=
1
14
13
5
+13
=15.6,
100÷50%=200,
0.25-
1
4
=0,
1-20%=0.8, 0.3×30%=0.09,
4
9
×
3
16
×4=
1
3
1
4
÷
1
4
=16,
(
1
3
+
1
5
)
×30=16,
1-
3
8
-
3
8
=
1
4
 
 
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剩余:2000
这些题目你会做吗?