修改22095,22078题面
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@ -1,5 +1,5 @@
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id_string = "000001"
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editor = "王伟叶"
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id_string = "22095,22078"
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editor = "毛培菁"
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@ -549735,7 +549735,7 @@
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},
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"022078": {
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"id": "022078",
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"content": "正三棱柱$ABC-A_1B_1C_1$中, $AB=2AA_1=\\dfrac{\\sqrt{6}}{2}$.\\\\\n(1) $P$点在棱$A_1B_1$上什么位置时, 异面直线$AP$与$A_1C$互相垂直?\\\\\n(2) $P$点在棱$A_1B_1$上什么位置时, 直线$AP$与平面$A_1BC$成$30^{\\circ}$角?",
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"content": "正三棱柱$ABC-A_1B_1C_1$中, $AB=2AA_1=\\dfrac{\\sqrt{6}}{2}$.\\\\\n(1) $P$点在直线$A_1B_1$上什么位置时, 异面直线$AP$与$A_1C$互相垂直?\\\\\n(2) $P$点在直线$A_1B_1$上什么位置时, 直线$AP$与平面$A_1BC$成$30^{\\circ}$角?",
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"objs": [],
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"tags": [
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"第六单元"
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@ -549753,7 +549753,8 @@
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],
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"origin": "2024届空间向量校本作业",
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"edit": [
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"20230319\t王伟叶"
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"20230319\t王伟叶",
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"20230713\t毛培菁"
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],
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"same": [],
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"related": [],
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@ -550285,7 +550286,7 @@
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},
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"022095": {
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"id": "022095",
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"content": "在$(3 x-2 y)^9$的展开式中, 二项式系数的和是\\blank{50}, 各项系数的和是各项系数的绝对值之和是\\blank{50}.",
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"content": "在$(3 x-2 y)^9$的展开式中, 二项式系数的和是\\blank{50}, 各项系数的和是\\blank{50}, 各项系数的绝对值之和是\\blank{50}.",
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"objs": [],
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"tags": [
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"第八单元"
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@ -550305,7 +550306,8 @@
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],
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"origin": "2024届二项式定理校本作业",
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"edit": [
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"20230319\t王伟叶"
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"20230319\t王伟叶",
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"20230713\t毛培菁"
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],
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"same": [],
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"related": [],
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