题目内容

能简算的要简算.
3
4
×
7
12
÷
14
9
7
10
×101-
7
10
8
17
÷23+
1
23
×
9
17
17
12
×
3
34
÷
2
19
1
5
÷[
1
13
×(
1
5
+
2
3
)]
11
36
×
9
22
×6.
(1)
3
4
×
7
12
÷
14
9

=
7
16
×
9
14

=
9
32


(2)
7
10
×101-
7
10

=
7
10
×(101-1),
=
7
10
×100,
=70;

(3)
8
17
÷23+
1
23
×
9
17

=
8
17
×
1
23
+
1
23
×
9
17

=(
8
17
+
9
17
)×
1
23

=1×
1
23

=
1
23


(4)
17
12
×
3
34
÷
2
19

=
1
8
×
19
2

=
19
16


(5)
1
5
÷[
1
13
×(
1
5
+
2
3
)],
=
1
5
÷[
1
13
×
13
15
],
=
1
5
÷
1
15

=3;

(6)
11
36
×
9
22
×6,
=
1
8
×6,
=
3
4
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