早教吧 育儿知识 作业答案 考试题库 百科 知识分享

(1)(284+16)×(512-8208÷18)+57×325+37(2)6-1.19×3-0.43+14+34÷23(3)3.2×(1.5+2.5)÷1.6+14×87-56×12

题目详情
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
5
7
×
3
25
+
3
7

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
5
7
5 7 5 5 7 7
3
25
+
3
7

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
3
25
3 25 3 3 25 25
3
7

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
3
7
3 7 3 3 7 7
1
4
+
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
1
4
1 4 1 1 4 4
3
4
÷
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
3
4
3 4 3 3 4 4
2
3

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
2
3
2 3 2 2 3 3
8
7
-
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
8
7
8 7 8 8 7 7
5
6
×
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
5
6
5 6 5 5 6 6
12
15

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24
12
15
12 15 12 12 15 15
17
32
-
3
4
×
9
24
17
32
17 32 17 17 32 32
3
4
×
9
24
3
4
3 4 3 3 4 4
9
24
9
24
9 24 9 9 24 24
▼优质解答
答案和解析
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

=300×(512-456)+
3
35
+
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

=300×(512-456)+
3
35
+
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

=300×(512-456)+
3
35
+
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

=300×(512-456)+
3
35
+
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
(1)(284+16)×(512-8208÷18)+
5
7
×
3
25
+
3
7

=300×(512-456)+
3
35
+
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
5
7
5 7 5 5 5 7 7 7 ×
3
25
+
3
7

=300×(512-456)+
3
35
+
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
25
3 25 3 3 3 25 25 25 +
3
7

=300×(512-456)+
3
35
+
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
7
3 7 3 3 3 7 7 7 ,
=300×(512-456)+
3
35
+
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
35
3 35 3 3 3 35 35 35 +
3
7

=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
7
3 7 3 3 3 7 7 7 ,
=300×56+
3
35
+
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
35
3 35 3 3 3 35 35 35 +
3
7

=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
7
3 7 3 3 3 7 7 7 ,
=16800+
3
35
+
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
35
3 35 3 3 3 35 35 35 +
3
7

=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
7
3 7 3 3 3 7 7 7 ,
=16800
18
35


(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
18
35
18 35 18 18 18 35 35 35 ;

(2)6-1.19×3-0.43+
1
4
+
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
1
4
1 4 1 1 1 4 4 4 +
3
4
÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
4
3 4 3 3 3 4 4 4 ÷
2
3

=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
2
3
2 3 2 2 2 3 3 3 ,
=6-3.57-0.43+
1
4
+
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
1
4
1 4 1 1 1 4 4 4 +
9
8

=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
9
8
9 8 9 9 9 8 8 8 ,
=6-(3.57-0.43)+
1
4
+
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
1
4
1 4 1 1 1 4 4 4 +
9
8

=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
9
8
9 8 9 9 9 8 8 8 ,
=6-4+
1
4
+
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
1
4
1 4 1 1 1 4 4 4 +
9
8

=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
9
8
9 8 9 9 9 8 8 8 ,
=2+
1
4
+
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
1
4
1 4 1 1 1 4 4 4 +
9
8

=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
9
8
9 8 9 9 9 8 8 8 ,
=3
3
8


(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
8
3 8 3 3 3 8 8 8 ;

(3)3.2×(1.5+2.5)÷1.6+14×
8
7
-
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
8
7
8 7 8 8 8 7 7 7 -
5
6
×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
5
6
5 6 5 5 5 6 6 6 ×
12
15

=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
12
15
12 15 12 12 12 15 15 15 ,
=3.2×4÷1.6+14×
8
7
-
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
8
7
8 7 8 8 8 7 7 7 -
5
6
×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
5
6
5 6 5 5 5 6 6 6 ×
12
15

=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
12
15
12 15 12 12 12 15 15 15 ,
=8+16-
2
3

=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
2
3
2 3 2 2 2 3 3 3 ,
=24-
2
3

=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
2
3
2 3 2 2 2 3 3 3 ,
=23
1
3


(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
1
3
1 3 1 1 1 3 3 3 ;

(4)27.85-(7.85+3.4)+
17
32
-
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
17
32
17 32 17 17 17 32 32 32 -
3
4
×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
3
4
3 4 3 3 3 4 4 4 ×
9
24

=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
9
24
9 24 9 9 9 24 24 24 ,
=27.85-7.85-3.4+
17
32
-
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
17
32
17 32 17 17 17 32 32 32 -
9
32

=20-3.4+
1
4

=16.6+
1
4

=16.85.
9
32
9 32 9 9 9 32 32 32 ,
=20-3.4+
1
4

=16.6+
1
4

=16.85.
1
4
1 4 1 1 1 4 4 4 ,
=16.6+
1
4

=16.85.
1
4
1 4 1 1 1 4 4 4 ,
=16.85.