计算:[(11+14+17)-(12+23+29)]÷[(11-34-37)-(12-23-29)]=______.-数学

题目简介

计算:[(11+14+17)-(12+23+29)]÷[(11-34-37)-(12-23-29)]=______.-数学

题目详情

计算:[(11+
1
4
+
1
7
)-(12+
2
3
+
2
9
)]÷[(11-
3
4
-
3
7
)-(12-
2
3
-
2
9
)]=______.
题型:填空题难度:偏易来源:不详

答案

原式=[11+class="stub"1
4
+class="stub"1
7
-12-class="stub"2
3
-class="stub"2
9
]÷[11-class="stub"3
4
-class="stub"3
7
-12+class="stub"2
3
+class="stub"2
9
],
=(-class="stub"3
4
+class="stub"1
7
-class="stub"8
9
)÷(-class="stub"3
4
-class="stub"3
7
-class="stub"1
9
),
=-class="stub"377
252
÷(-class="stub"325
252
),
=class="stub"377
325

故此题应该填class="stub"377
325

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