题目内容

36×
17
35
4
5
×
2
3
+
1
5
÷
3
4
12
5
×(
5
6
+
3
4
)
+
4
5
4
9
+
2
15
÷
2
15
1
5
÷3+
4
5
×
1
3
13
7
13
-(4
1
4
+3
7
13
(1)36×
17
35

=(35+1)×
17
35

=35×
17
35
+1×
17
35

=17+
17
35

=17
17
35


(2)
4
5
×
2
3
+
1
5
÷
3
4

=
4
5
×
2
3
+
1
5
×
4
3

=
4
5
×
2
3
+
4
5
×
1
3

=
4
5
×(
2
3
+
1
3
),
=
4
5
×1,
=
4
5


(3)
12
5
×(
5
6
+
3
4
)
+
4
5

=
12
5
×
5
6
+
12
5
×
3
4
+
4
5

=2+
9
5
+
4
5

=2+(
9
5
+
4
5
),
=2+2
3
5

=4
3
5


(4)(
4
9
+
2
15
÷
2
15

=(
4
9
+
2
15
)×
15
2

=
4
9
×
15
2
+
2
15
×
15
2

=
10
3
+1,
=4
1
3


(5)
1
5
÷3+
4
5
×
1
3

=
1
5
×
1
3
+
4
5
×
1
3

=(
1
5
+
4
5
)×
1
3

=1×
1
3

=
1
3


(6)13
7
13
-(4
1
4
+3
7
13
),
=13
7
13
-4
1
4
-3
7
13

=13
7
13
-3
7
13
-4
1
4

=10-4
1
4

=5
3
4
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