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怎样简便怎样算.1.26÷0.4÷31.549+47+59+37(114+27-14)×2825×311×4×1125.

题目详情
怎样简便怎样算.
1.26÷0.4÷31.5              
 
4
9
+
4
7
+
5
9
+
3
7
1
14
+
2
7
-
1
4
)×28           
25×
3
11
×4×
11
25
怎样简便怎样算.
1.26÷0.4÷31.5              
 
4
9
+
4
7
+
5
9
+
3
7
1
14
+
2
7
-
1
4
)×28           
25×
3
11
×4×
11
25
怎样简便怎样算.
1.26÷0.4÷31.5                
4
9
+
4
7
+
5
9
+
3
7
1
14
+
2
7
-
1
4
)×28           
25×
3
11
×4×
11
25
怎样简便怎样算.
1.26÷0.4÷31.5              
 
4
9
+
4
7
+
5
9
+
3
7
4
9
+
4
7
+
5
9
+
3
7
4
9
4499
4
7
+
5
9
+
3
7
4
7
4477
5
9
+
3
7
5
9
5599
3
7
3
7
3377(
1
14
+
2
7
-
1
4
)×28           
1
14
+
2
7
-
1
4
)×28           
1
14
111414
2
7
-
1
4
)×28           
2
7
2277
1
4
)×28           
1
4
114425×
3
11
×4×
11
25
3
11
×4×
11
25
3
11
331111
11
25
11
25
11112525
▼优质解答
答案和解析
①1.26÷0.4÷31.5
=1.26÷(0.4×31.5)
=1.26÷12.6
=0.1

4
9
+
4
7
+
5
9
+
3
7

=(
5
9
+
4
9
)+(
4
7
+
3
7

=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
4
9
444999+
4
7
+
5
9
+
3
7

=(
5
9
+
4
9
)+(
4
7
+
3
7

=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
4
7
444777+
5
9
+
3
7

=(
5
9
+
4
9
)+(
4
7
+
3
7

=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
5
9
555999+
3
7

=(
5
9
+
4
9
)+(
4
7
+
3
7

=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
3
7
333777
=(
5
9
+
4
9
)+(
4
7
+
3
7

=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
5
9
555999+
4
9
)+(
4
7
+
3
7

=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
4
9
444999)+(
4
7
+
3
7

=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
4
7
444777+
3
7

=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
3
7
333777)
=1+1
=2

③(
1
14
+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
1
14
111141414+
2
7
-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
2
7
222777-
1
4
)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
1
4
111444)×28           
=
1
14
×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
1
14
111141414×28+
2
7
×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
2
7
222777×28-
1
4
×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
1
4
111444×28
=2+8-7
=3

④25×
3
11
×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
3
11
333111111×4×
11
25

=(25×
11
25
×
3
11
)×4
=3×4
=12
11
25
111111252525
=(25×
11
25
×
3
11
)×4
=3×4
=12
11
25
111111252525×
3
11
)×4
=3×4
=12
3
11
333111111)×4
=3×4
=12