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[(1225−0.28)×513+1÷(34+13)]×11920.
题目详情
[(1
−0.28)×
+1÷(
+
)]×1
.[(1
−0.28)×
+1÷(
+
)]×1
.
2 2 25 25
5 5 13 13
3 3 4 4
1 1 3 3
19 19 20 20
| 2 |
| 25 |
| 5 |
| 13 |
| 3 |
| 4 |
| 1 |
| 3 |
| 19 |
| 20 |
| 2 |
| 25 |
| 5 |
| 13 |
| 3 |
| 4 |
| 1 |
| 3 |
| 19 |
| 20 |
| 2 |
| 25 |
| 5 |
| 13 |
| 3 |
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| 1 |
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| 20 |
▼优质解答
答案和解析
[(1
-0.28)×
+1÷(
+
)]×1
,
=[(1
+
)×
+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
2 2 225 25 25-0.28)×
+1÷(
+
)]×1
,
=[(1
+
)×
+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
5 5 513 13 13+1÷(
+
)]×1
,
=[(1
+
)×
+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
3 3 34 4 4+
)]×1
,
=[(1
+
)×
+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
1 1 13 3 3)]×1
,
=[(1
+
)×
+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
19 19 1920 20 20,
=[(1
+
)×
+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
2 2 225 25 25+
)×
+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
7 7 725 25 25)×
+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
5 5 513 13 13+1÷
]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
13 13 1312 12 12]×1
,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
19 19 1920 20 20,
=[
×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
34 34 3425 25 25×
+
]×
,
=
×
×
+
×
,
=
+
,
=
.
5 5 513 13 13+
]×
,
=
×
×
+
×
,
=
+
,
=
.
12 12 1213 13 13]×
,
=
×
×
+
×
,
=
+
,
=
.
39 39 3920 20 20,
=
×
×
+
×
,
=
+
,
=
.
34 34 3425 25 25×
×
+
×
,
=
+
,
=
.
5 5 513 13 13×
+
×
,
=
+
,
=
.
39 39 3920 20 20+
×
,
=
+
,
=
.
12 12 1213 13 13×
,
=
+
,
=
.
39 39 3920 20 20,
=
+
,
=
.
51 51 5150 50 50+
,
=
.
9 9 95 5 5,
=
.
141 141 14150 50 50.
| 2 |
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| 5 |
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| 3 |
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| 1 |
| 3 |
| 19 |
| 20 |
=[(1
| 2 |
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| 7 |
| 25 |
| 5 |
| 13 |
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=[
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=
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=
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=[(1
| 2 |
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=[
| 34 |
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=
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| 12 |
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=
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| 9 |
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=
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| 19 |
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| 2 |
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| 7 |
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| 5 |
| 13 |
| 13 |
| 12 |
| 19 |
| 20 |
=[
| 34 |
| 25 |
| 5 |
| 13 |
| 12 |
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| 39 |
| 20 |
=
| 34 |
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| 20 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
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| 50 |
| 2 |
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=[
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=
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| 12 |
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=
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| 9 |
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=
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| 12 |
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=[
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=
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=
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=
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| 25 |
| 5 |
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| 12 |
| 13 |
| 39 |
| 20 |
=
| 34 |
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| 5 |
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| 39 |
| 20 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 34 |
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| 5 |
| 13 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 34 |
| 25 |
| 5 |
| 13 |
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| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 5 |
| 13 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 34 |
| 25 |
| 5 |
| 13 |
| 39 |
| 20 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 34 |
| 25 |
| 5 |
| 13 |
| 39 |
| 20 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 39 |
| 20 |
=
| 34 |
| 25 |
| 5 |
| 13 |
| 39 |
| 20 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 34 |
| 25 |
| 5 |
| 13 |
| 39 |
| 20 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 5 |
| 13 |
| 39 |
| 20 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 39 |
| 20 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 12 |
| 13 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 39 |
| 20 |
=
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 51 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 9 |
| 5 |
=
| 141 |
| 50 |
| 141 |
| 50 |
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