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目录
第一章小学知识············································································1
第二章初中代数··········································································10
第三章初中几何··········································································20
第四章集合、简易逻辑函数··························································34
第五章函数················································································36
第六章三角函数··········································································43
第七章数列与不等式····································································47
第八章解析几何··········································································51
第九章平面向量与立体几何··························································58
第十章计数原理与统计概率··························································71
第十一章推理与复数····································································82
第一章小学知识
一、选择题
1．下面各数省略最高位上的尾数后约等于80万的是（）．
A．736738B．798542C．709563D．746389
2．下列近似数精确到万位的是（）．
A．4500B．5×105C．4.5×104D．5×104
xx
3．如果是假分数，是真分数，那么x应（）．
910
A．等于8B．等于9C．等于10D．等于11
4．下列说法正确的是（）．
a
A．当a=7时，是真分数
7
31
B．在0.3、和中，最大的数是0.3
163
510
C．，它们的分数单位相同
612
D．20以内既是合数又是奇数的数有2个
11
．甲数的与乙数的相等，甲乙两数的大小相比较，（）．
5
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