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脱式计算(能简算的要简算)①527×54+54×2227②25×47+37÷52③[2−(1+23)]÷27④(56−34)÷748+127.

题目详情
脱式计算(能简算的要简算)
5
27
×54+54×
22
27

2
5
×
4
7
+
3
7
÷
5
2

③[2−(1+
2
3
)]÷
2
7

④(
5
6
3
4
7
48
+
12
7

5
27
×54+54×
22
27

2
5
×
4
7
+
3
7
÷
5
2

③[2−(1+
2
3
)]÷
2
7

④(
5
6
3
4
7
48
+
12
7
5
27
552727
22
27
22222727
2
5
×
4
7
+
3
7
÷
5
2

③[2−(1+
2
3
)]÷
2
7

④(
5
6
3
4
7
48
+
12
7
2
5
2255
4
7
4477
3
7
3377
5
2
5522
③[2−(1+
2
3
)]÷
2
7

④(
5
6
3
4
7
48
+
12
7
2
3
2233
2
7
2277
④(
5
6
3
4
7
48
+
12
7
5
6
5566
3
4
3344
7
48
774848
12
7
121277
▼优质解答
答案和解析

5
27
×54+54×
22
27

=(
5
27
+
22
27
)×54,
=54;

2
5
×
4
7
+
3
7
÷
5
2

=
2
5
×
4
7
+
3
7
×
2
5

=
2
5
×(
4
7
+
3
7
),
=
2
5


[2−(1+
2
3
)]÷
2
7

=[2−1
2
3
2
7

=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
5
27
555272727×54+54×
22
27
222222272727,
=(
5
27
+
22
27
)×54,
=54;

2
5
×
4
7
+
3
7
÷
5
2

=
2
5
×
4
7
+
3
7
×
2
5

=
2
5
×(
4
7
+
3
7
),
=
2
5


[2−(1+
2
3
)]÷
2
7

=[2−1
2
3
2
7

=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
5
27
555272727+
22
27
222222272727)×54,
=54;

2
5
×
4
7
+
3
7
÷
5
2

=
2
5
×
4
7
+
3
7
×
2
5

=
2
5
×(
4
7
+
3
7
),
=
2
5


[2−(1+
2
3
)]÷
2
7

=[2−1
2
3
2
7

=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
2
5
222555×
4
7
444777+
3
7
333777÷
5
2
555222,
=
2
5
×
4
7
+
3
7
×
2
5

=
2
5
×(
4
7
+
3
7
),
=
2
5


[2−(1+
2
3
)]÷
2
7

=[2−1
2
3
2
7

=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
2
5
222555×
4
7
444777+
3
7
333777×
2
5
222555,
=
2
5
×(
4
7
+
3
7
),
=
2
5


[2−(1+
2
3
)]÷
2
7

=[2−1
2
3
2
7

=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
2
5
222555×(
4
7
444777+
3
7
333777),
=
2
5


[2−(1+
2
3
)]÷
2
7

=[2−1
2
3
2
7

=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
2
5
222555;

[2−(1+
2
3
)]÷
2
7

=[2−1
2
3
2
7

=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
[2−(1+
2
3
222333)]÷
2
7
222777,
=[2−1
2
3
2
7

=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
[2−1
2
3
222333]÷
2
7
222777,
=
1
3
÷
2
7

=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
1
3
111333÷
2
7
222777,
=
7
6


(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
7
6
777666;

(
5
6
3
4
7
48
+
12
7

=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
(
5
6
555666−
3
4
333444)÷
7
48
777484848+
12
7
121212777,
=
1
12
÷
7
48
+
12
7

=
4
7
+
12
7

=
16
7
1
12
111121212÷
7
48
777484848+
12
7
121212777,
=
4
7
+
12
7

=
16
7
4
7
444777+
12
7
121212777,
=
16
7
16
7
161616777.