题目内容

递等式计算(能简算的简算)
15÷
5
9
+
1
6
×8
8
9
×
3
4
÷
8
15
8
17
÷23+
1
23
×
9
17
3
10
-
3
10
÷6
2
9
×0.375÷
6
7
1
3
×
3
4
÷(
3
4
-
5
12
(1)15÷
5
9
+
1
6
×8,
=27+1
1
3

=28
1
3


(2)
8
9
×
3
4
÷
8
15

=
2
3
÷
8
15

=1
1
4


(3)
8
17
÷23+
1
23
×
9
17

=(
8
17
+
9
17
)×
1
23

=1×
1
23

=
1
23


(4)6÷
3
10
-
3
10
÷6,
=20-0.05,
=19.95;

(5)
2
9
×
0.375÷
6
7

=
1
12
÷
6
7

=
7
72


(6)
1
3
×
3
4
÷(
3
4
-
5
12
),
=
1
3
×
3
4
÷
1
3

=
1
4
÷
1
3

=
3
4
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