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(2012•麻章区)脱式计算(能简算的要简算)(1)9-0.64-0.36(2)1379+450÷18×40(3)(16−19)×18(4)12÷14+34(5)511×19+89÷115(6)34×[(715−15)÷23].

题目详情
(2012•麻章区)
脱式计算(能简算的要简算)
(1)9-0.64-0.36          
(2)1379+450÷18×40 (3)(
1
6
1
9
)×18      
(4)
1
2
÷
1
4
+
3
4
(5)
5
11
×
1
9
+
8
9
÷
11
5
 
(6)
3
4
×[(
7
15
1
5
2
3
].
脱式计算(能简算的要简算)
(1)9-0.64-0.36          
(2)1379+450÷18×40 (3)(
1
6
1
9
)×18      
(4)
1
2
÷
1
4
+
3
4
(5)
5
11
×
1
9
+
8
9
÷
11
5
 
(6)
3
4
×[(
7
15
1
5
2
3
].
脱式计算(能简算的要简算)
(1)9-0.64-0.36           (2)1379+450÷18×40 (3)(
1
6
1
9
)×18      
脱式计算(能简算的要简算)
(1)9-0.64-0.36          
(2)1379+450÷18×40(3)(
1
6
1
9
)×18      
(
1
6
1
9
)×18      
1
6
1166
1
9
1199 (4)
1
2
÷
1
4
+
3
4
(5)
5
11
×
1
9
+
8
9
÷
11
5
 
(6)
3
4
×[(
7
15
1
5
2
3
].
(4)
1
2
÷
1
4
+
3
4
1
2
÷
1
4
+
3
4
1
2
1122
1
4
1144
3
4
3344(5)
5
11
×
1
9
+
8
9
÷
11
5
 
5
11
×
1
9
+
8
9
÷
11
5
 
5
11
551111
1
9
1199
8
9
8899
11
5
111155(6)
3
4
×[(
7
15
1
5
2
3
].
3
4
×[(
7
15
1
5
2
3
].
3
4
3344
7
15
771515
1
5
1155
2
3
2233
▼优质解答
答案和解析
(1)9-0.64-0.36,
=9-(0.64+0.36),
=9-1,
=8;

(2)1379+450÷18×40,
=1379+25×40,
=1379+1000,
=2379;

(3)(3)(
1
6
1
9
)×18,
=
1
6
×18-
1
9
×18,
=3-2,
=1;

(4)
1
2
÷
1
4
+
3
4

=2+
3
4

=2
3
4


(5)
5
11
×
1
9
+
8
9
÷
11
5

=
5
11
×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
(
1
6
111666−
1
9
111999)×18,
=
1
6
×18-
1
9
×18,
=3-2,
=1;

(4)
1
2
÷
1
4
+
3
4

=2+
3
4

=2
3
4


(5)
5
11
×
1
9
+
8
9
÷
11
5

=
5
11
×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
1
6
111666×18-
1
9
×18,
=3-2,
=1;

(4)
1
2
÷
1
4
+
3
4

=2+
3
4

=2
3
4


(5)
5
11
×
1
9
+
8
9
÷
11
5

=
5
11
×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
1
9
111999×18,
=3-2,
=1;

(4)
1
2
÷
1
4
+
3
4

=2+
3
4

=2
3
4


(5)
5
11
×
1
9
+
8
9
÷
11
5

=
5
11
×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
1
2
111222÷
1
4
111444+
3
4
333444,
=2+
3
4

=2
3
4


(5)
5
11
×
1
9
+
8
9
÷
11
5

=
5
11
×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
+
3
4
333444,
=2
3
4


(5)
5
11
×
1
9
+
8
9
÷
11
5

=
5
11
×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
3
4
333444;

(5)
5
11
×
1
9
+
8
9
÷
11
5

=
5
11
×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
5
11
555111111×
1
9
111999+
8
9
888999÷
11
5
111111555,
=
5
11
×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
5
11
555111111×
1
9
+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
1
9
111999+
8
9
×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
8
9
888999×
5
11

=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
5
11
555111111,
=
5
11
×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
5
11
555111111×(
1
9
+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
1
9
111999+
8
9
),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
8
9
888999),
=
5
11
×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
5
11
555111111×1,
=
5
11


(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
5
11
555111111;

(6)
3
4
×[(
7
15
1
5
2
3
],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
3
4
333444×[(
7
15
777151515−
1
5
111555)÷
2
3
222333],
=
3
4
×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
3
4
333444×[
4
15
÷
2
3
],
=
3
4
×
2
5

=
3
10
4
15
444151515÷
2
3
],
=
3
4
×
2
5

=
3
10
÷
2
3
222333],
=
3
4
×
2
5

=
3
10
3
4
333444×
2
5

=
3
10
2
5
222555,
=
3
10
3
10
333101010.