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脱式计算．1005÷[42×（56-57）]5.6×0.7+0.2×5.6+0.5695-1÷（34+13）×138267÷1314-98×83．
题目详情
脱式计算．
1005÷[42×（
-
）]
5.6×0.7+0.2×5.6+0.56
-1÷（
+
）×
÷
-
×
．
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）]
5.6×0.7+0.2×5.6+0.56
-1÷（
+
）×
÷
-
×
．
5 5 6 6
）]
5.6×0.7+0.2×5.6+0.56
-1÷（
+
）×
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5 5 7 7
-1÷（
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）×
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9 9 5 5
+
）×
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×
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3 3 4 4
）×
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1 1 3 3
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×
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13 13 8 8
÷
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×
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26 26 7 7
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×
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13 13 14 14
×
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9 9 8 8
．
8 8 3 3
1005÷[42×（
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5.6×0.7+0.2×5.6+0.56
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5.6×0.7+0.2×5.6+0.56
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5.6×0.7+0.2×5.6+0.56
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▼优质解答
答案和解析
（1）1005÷[42×（56-57）]=1005÷[42×56-42×57]=1005÷[35-30]=1005÷5=201；（2）5.6×0.7+0.2×5.6+0.56=5.6×0.7+0.2×5.6+5.6×0.1=5.6×（0.7+0.2+0.1）=5.6×1=5.6；（3）95-1÷（34+13）×138=95-1÷1312...
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