题目内容

计算[(10.75-4
11
12
)×2
7
11
]÷[(1.125+
1
12
)÷(2.25÷10
10
11
]=______.
[(10.75-4
11
12
)×2
7
11
]÷[(1.125+
1
12
)÷(2.25÷10
10
11
],
=[(10
3
4
-4
11
12
)×2
7
11
]÷[(1
1
8
+
1
12
)÷(2
1
4
÷10
10
11
],
=[(10
9
12
-4
11
12
)×2
7
11
]÷[(1
3
24
+
2
24
)÷(
9
4
×
11
120
],
=
35
6
×
29
11
÷[
29
24
÷
33
160
],
=
35
6
×
29
11
÷[
29
24
×
160
33
],
=
35
6
×
29
11
×
24
29
×
33
160

=
21
8

故答案为:
21
8
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