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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 |
| (
| 25×
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怎样简便怎样算. 1.26÷0.4÷31.5 |
| (
| 25×
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1.26÷0.4÷31.5
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9 |
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3 |
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1 |
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11 |
25 |
1.26÷0.4÷31.5
4 |
9 |
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9 |
4 |
7 |
5 |
9 |
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7 |
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9 |
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9 |
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7 |
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7 |
5 |
9 |
3 |
7 |
5 |
9 |
3 |
7 |
3 |
7 |
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2 |
7 |
1 |
4 |
1 |
14 |
2 |
7 |
1 |
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1 |
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▼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
②
+
+
+
=(
+
)+(
+
)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
4 4 49 9 9+
+
+
=(
+
)+(
+
)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
4 4 47 7 7+
+
=(
+
)+(
+
)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
5 5 59 9 9+
=(
+
)+(
+
)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
3 3 37 7 7
=(
+
)+(
+
)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
5 5 59 9 9+
)+(
+
)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
4 4 49 9 9)+(
+
)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
4 4 47 7 7+
)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
3 3 37 7 7)
=1+1
=2
③(
+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
1 1 114 14 14+
-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
2 2 27 7 7-
)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
1 1 14 4 4)×28
=
×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
1 1 114 14 14×28+
×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
2 2 27 7 7×28-
×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
1 1 14 4 4×28
=2+8-7
=3
④25×
×4×
=(25×
×
)×4
=3×4
=12
3 3 311 11 11×4×
=(25×
×
)×4
=3×4
=12
11 11 1125 25 25
=(25×
×
)×4
=3×4
=12
11 11 1125 25 25×
)×4
=3×4
=12
3 3 311 11 11)×4
=3×4
=12
=1.26÷(0.4×31.5)
=1.26÷12.6
=0.1
②
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 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
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 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
4 |
7 |
5 |
9 |
3 |
7 |
=(
5 |
9 |
4 |
9 |
4 |
7 |
3 |
7 |
=1+1
=2
③(
1 |
14 |
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
5 |
9 |
3 |
7 |
=(
5 |
9 |
4 |
9 |
4 |
7 |
3 |
7 |
=1+1
=2
③(
1 |
14 |
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
3 |
7 |
=(
5 |
9 |
4 |
9 |
4 |
7 |
3 |
7 |
=1+1
=2
③(
1 |
14 |
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
5 |
9 |
4 |
9 |
4 |
7 |
3 |
7 |
=1+1
=2
③(
1 |
14 |
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
4 |
9 |
4 |
7 |
3 |
7 |
=1+1
=2
③(
1 |
14 |
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
4 |
7 |
3 |
7 |
=1+1
=2
③(
1 |
14 |
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
3 |
7 |
=1+1
=2
③(
1 |
14 |
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
1 |
14 |
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
2 |
7 |
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
1 |
4 |
=
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
1 |
14 |
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
2 |
7 |
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
1 |
4 |
=2+8-7
=3
④25×
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
3 |
11 |
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
11 |
25 |
=(25×
11 |
25 |
3 |
11 |
=3×4
=12
11 |
25 |
3 |
11 |
=3×4
=12
3 |
11 |
=3×4
=12
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