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(1)51.6÷[(325-1.25)×45](2)54×4.8÷(113÷53+0.2)(3)(525-1.8)÷[(1.15+1320)×123](4)求x的值:2x-1.65+2.35=7-110x.

题目详情
(1)51.6÷[(3
2
5
-1.25)×
4
5
]
(2)
5
4
×4.8÷(
11
3
÷
5
3
+0.2)
(3)(5
2
5
-1.8)÷[(1.15+
13
20
)×1
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
2
5
-1.25)×
4
5
]
(2)
5
4
×4.8÷(
11
3
÷
5
3
+0.2)
(3)(5
2
5
-1.8)÷[(1.15+
13
20
)×1
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
2
5
2255
4
5
]
(2)
5
4
×4.8÷(
11
3
÷
5
3
+0.2)
(3)(5
2
5
-1.8)÷[(1.15+
13
20
)×1
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
4
5
4455
5
4
×4.8÷(
11
3
÷
5
3
+0.2)
(3)(5
2
5
-1.8)÷[(1.15+
13
20
)×1
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
5
4
5544
11
3
÷
5
3
+0.2)
(3)(5
2
5
-1.8)÷[(1.15+
13
20
)×1
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
11
3
111133
5
3
+0.2)
(3)(5
2
5
-1.8)÷[(1.15+
13
20
)×1
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
5
3
5533
2
5
-1.8)÷[(1.15+
13
20
)×1
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
2
5
2255
13
20
)×1
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
13
20
13132020
2
3
]
(4)求x的值:2x-1.65+2.35=7-
1
10
x.
2
3
2233
1
10
x.
1
10
111010
▼优质解答
答案和解析
(1)51.6÷[(3 25-1.25)×45],=51.6÷[(3.4-1.25)×45],=51.6÷[2.15×45],=51.6÷1.72,=30;(2)54×4.8÷(113÷53+0.2),=6÷(113×35+0.2),=6÷(2.2+0.2),=6÷2.4,=2.5;(3)(525-1.8...