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脱式计算,能简便的用简便方法计算(1)0.4×580-195÷6.5(2)7.6÷1.25÷8(3)(27+12)÷32-521(4)56÷45-45×56(5)18.64-(29+4.64)(6)916÷[8×(12-34)].

题目详情
脱式计算,能简便的用简便方法计算
(1)0.4×580-195÷6.5  
(2)7.6÷1.25÷8   (3)(
2
7
+
1
2
)÷
3
2
-
5
21
(4)
5
6
÷
4
5
-
4
5
×
5
6
(5)18.64-(
2
9
+4.64)
(6)
9
16
÷[8×(
1
2
-
3
4
)].
脱式计算,能简便的用简便方法计算
(1)0.4×580-195÷6.5  
(2)7.6÷1.25÷8   (3)(
2
7
+
1
2
)÷
3
2
-
5
21
(4)
5
6
÷
4
5
-
4
5
×
5
6
(5)18.64-(
2
9
+4.64)
(6)
9
16
÷[8×(
1
2
-
3
4
)].
脱式计算,能简便的用简便方法计算
(1)0.4×580-195÷6.5   (2)7.6÷1.25÷8   (3)(
2
7
+
1
2
)÷
3
2
-
5
21
脱式计算,能简便的用简便方法计算
(1)0.4×580-195÷6.5  
(2)7.6÷1.25÷8  (3)(
2
7
+
1
2
)÷
3
2
-
5
21
2
7
+
1
2
)÷
3
2
-
5
21
2
7
2277
1
2
)÷
3
2
-
5
21
1
2
1122
3
2
-
5
21
3
2
3322
5
21
5
21
552121 (4)
5
6
÷
4
5
-
4
5
×
5
6
(5)18.64-(
2
9
+4.64)
(6)
9
16
÷[8×(
1
2
-
3
4
)].
(4)
5
6
÷
4
5
-
4
5
×
5
6
5
6
÷
4
5
-
4
5
×
5
6
5
6
5566
4
5
-
4
5
×
5
6
4
5
4455
4
5
×
5
6
4
5
4455
5
6
5
6
5566(5)18.64-(
2
9
+4.64)
2
9
+4.64)
2
9
2299(6)
9
16
÷[8×(
1
2
-
3
4
)].
9
16
÷[8×(
1
2
-
3
4
)].
9
16
991616
1
2
-
3
4
)].
1
2
1122
3
4
)].
3
4
3344
▼优质解答
答案和解析
(1)0.4×580-195÷6.5,
=232-30,
=202;

(2)7.6÷1.25÷8,
=7.6÷(1.25×8),
=7.6÷10,
=0.76;

(3)(
2
7
+
1
2
)÷
3
2
-
5
21

=
11
14
×
2
3
-
5
21

=
11
21
-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
2
7
222777+
1
2
)÷
3
2
-
5
21

=
11
14
×
2
3
-
5
21

=
11
21
-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
1
2
111222)÷
3
2
-
5
21

=
11
14
×
2
3
-
5
21

=
11
21
-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
3
2
333222-
5
21

=
11
14
×
2
3
-
5
21

=
11
21
-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
21
555212121,
=
11
14
×
2
3
-
5
21

=
11
21
-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
11
14
111111141414×
2
3
-
5
21

=
11
21
-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
2
3
222333-
5
21

=
11
21
-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
21
555212121,
=
11
21
-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
11
21
111111212121-
5
21

=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
21
555212121,
=
2
7


(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
2
7
222777;

(4)
5
6
÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
6
555666÷
4
5
-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
4
5
444555-
4
5
×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
4
5
444555×
5
6

=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
6
555666,
=
5
6
×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
6
555666×
5
4
-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
4
555444-
4
5
×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
4
5
444555×
5
6

=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
6
555666,
=
5
6
×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
6
555666×(
5
4
-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
4
555444-
4
5
),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
4
5
444555),
=
5
6
×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
5
6
555666×
9
20

=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
9
20
999202020,
=
3
8


(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
3
8
333888;

(5)18.64-(
2
9
+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
2
9
222999+4.64),
=18.64-
2
9
-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
2
9
222999-4.64,
=(18.64-4.64)-
2
9

=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
2
9
222999,
=14-
2
9

=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
2
9
222999,
=13
7
9


(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
7
9
777999;

(6)
9
16
÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
9
16
999161616÷[8×(
1
2
-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
1
2
111222-
3
4
)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
3
4
333444)],
=
9
16
÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
9
16
999161616÷[8×(-
1
4
)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
1
4
111444)],
=
9
16
÷(-2),
=-
9
16
×
1
2

=-
9
32
9
16
999161616÷(-2),
=-
9
16
×
1
2

=-
9
32
9
16
999161616×
1
2

=-
9
32
1
2
111222,
=-
9
32
9
32
999323232.