题目内容

1
3
-
1
4
=
1
8
÷
1
6
=
1-
3
5
×
1
3
=
2
7
×
2
7
÷
2
7
×
2
7
=
0.25÷
3
4
=
5
8
+
1
6
+
5
8
=
2
3
×
4
5
÷
2
5
=
1.05×4=268÷14×0=
(
1
5
+
1
3
-
1
6
)×30
=
306-16=5.1+0.09=

1
3
-
1
4
=
1
12

1
8
÷
1
6
=
3
4

1-
3
5
×
1
3
=
4
5
2
7
×
2
7
÷
2
7
×
2
7
=
4
49
0.25÷
3
4
=
1
3
5
8
+
1
6
+
5
8
=
17
12
2
3
×
4
5
÷
2
5
=
4
3
1.05×4=4.2,268÷14×0=0,
(
1
5
+
1
3
-
1
6
)×30
=11,
306-16=290,5.1+0.09=5.19.
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