(456-334)÷(314+27)51.6÷[(325-1.25)×45](0.92+225)÷(4-279)(525-1.8)÷[(1.15+1320)×123].-数学

题目简介

(456-334)÷(314+27)51.6÷[(325-1.25)×45](0.92+225)÷(4-279)(525-1.8)÷[(1.15+1320)×123].-数学

题目详情

(4
5
6
-3
3
4
)÷(
3
14
+
2
7
)
51.6÷[(3
2
5
-1.25)×
4
5
]
(0.92+
2
25
)÷(4-2
7
9
)
(5
2
5
-1.8)÷[(1.15+
13
20
)×1
2
3
]
题型:解答题难度:中档来源:不详

答案

(1)(4class="stub"5
6
-3class="stub"3
4
)÷(class="stub"3
14
+class="stub"2
7
),
=class="stub"13
12
÷class="stub"1
2

=class="stub"13
6


(2)51.6÷[(3class="stub"2
5
-1.25)×class="stub"4
5
],
=51.6÷[2.15×class="stub"4
5
],
=51.6÷1.72,
=30;

(3)(0.92+class="stub"2
25
)÷(4-2class="stub"7
9
),
=1÷class="stub"11
9

=class="stub"9
11


(4)(5class="stub"2
5
-1.8)÷[(1.15+class="stub"13
20
)×1class="stub"2
3
]

=3.6÷[1.8×class="stub"5
3
],
=3.6÷3,
=1.2.

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