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计算:238÷[(98-14)÷75+12×85][3.25-3.25÷(10.3+2.2)]×0.1+5.6×2.5÷5.6×2.5.
题目详情
计算:
2
÷[(
-
)÷
+
×
]
[3.25-3.25÷(10.3+2.2)]×0.1+5.6×2.5÷5.6×2.5.
2
| 3 |
| 8 |
| 9 |
| 8 |
| 1 |
| 4 |
| 7 |
| 5 |
| 1 |
| 2 |
| 8 |
| 5 |
[3.25-3.25÷(10.3+2.2)]×0.1+5.6×2.5÷5.6×2.5.
▼优质解答
答案和解析
2
÷[(
-
)÷
+
×
],
=2
÷[
÷
+
×
],
=2
÷[(
+
],
=2
÷
,
=1
;
[3.25-3.25÷(10.3+2.2)]×0.1+5.6×2.5÷5.6×2.5,
=[3.25-3.25÷12.5]×0.1+5.6×2.5÷5.6×2.5,
=[3.25-0.26]×0.1+5.6×2.5÷5.6×2.5,
=2.99×0.1+5.6×2.5÷5.6×2.5,
=0.299+6.25,
=6.549.
| 3 |
| 8 |
| 9 |
| 8 |
| 1 |
| 4 |
| 7 |
| 5 |
| 1 |
| 2 |
| 8 |
| 5 |
=2
| 3 |
| 8 |
| 7 |
| 8 |
| 7 |
| 5 |
| 1 |
| 2 |
| 8 |
| 5 |
=2
| 3 |
| 8 |
| 5 |
| 8 |
| 4 |
| 5 |
=2
| 3 |
| 8 |
| 57 |
| 40 |
=1
| 2 |
| 3 |
[3.25-3.25÷(10.3+2.2)]×0.1+5.6×2.5÷5.6×2.5,
=[3.25-3.25÷12.5]×0.1+5.6×2.5÷5.6×2.5,
=[3.25-0.26]×0.1+5.6×2.5÷5.6×2.5,
=2.99×0.1+5.6×2.5÷5.6×2.5,
=0.299+6.25,
=6.549.
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