题目内容

用你喜欢的方法算:
1k
÷3+
3
1k
×
1
3

3
-(
3
-
1

1
6
+
3
4
×
k
3
÷k
1k
×(
6
+
3
4
)+
4

k4
13
+
16
13
)×
1
+
1它
13
(1)
5
15
÷7+
7
15
×
1
7

=
5
15
×
1
7
+
7
15
×
1
7

=(
5
15
+
7
15
)×
1
7

=1×
1
7

=
1
7


(5)
7
8
-(
5
9
-
1
8
),
=
7
8
-
5
9
+
1
8

=
7
8
+
1
8
-
5
9

=1-
5
9

=
w
9


(8)
1
6
+
8
w
×
5
8
÷5,
=
1
6
+
8
w
×
5
8
×
1
5

=
1
6
+
1
w

=
5
15
+
8
15

=
5
15


(w)
15
5
×(
5
6
+
8
w
)+
w
5

=
15
5
×
5
6
+
15
5
×
8
w
+
w
5

=5+
9
5
+
w
5

=8
w
5
+
w
5

=w
8
5


(5)(
5w
19
+
16
17
)×
1
8
+
15
17

=
5w
19
×
1
8
+
16
17
×
1
8
+
15
17

=
8
19
+
5
17
+
15
17

=
8
19
+(
5
17
+
15
17
),
=
8
19
+1,
=1
8
19
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