题目内容

怎样算简便就怎样算:
3
10
-
3
10
÷6;

1
3
×
3
4
÷(
3
4
-
5
12
);
13
17
÷9+
1
9
×
5
17
2-
6
13
÷
9
26
-
2
3
(1)6÷
3
10
-
3
10
÷6,
=20-
1
20

=19
19
20


(2)
1
3
×
3
4
÷(
3
4
-
5
12
),
=
1
3
×
3
4
÷
4
12

=
3
4


(3)
13
17
÷9+
1
9
×
5
17

=
13
17
×
1
9
+
1
9
×
5
17

=(
13
17
+
5
17
)×
1
9

=
18
17
×
1
9

=
2
17


(4)2-
6
13
÷
9
26
-
2
3

=2-
4
3
-
2
3

=0.
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