GMAT考试1-GMAT数学12月总结(六)
<p> 104. <span word="DS">DS</span>：有一数列满足，<span word="x">x</span>在数列中，则-<span word="x">x</span>也在该数量中;<span word="x">x</span>、<span word="y">y</span>在数列中，<span word="xy">xy</span>也在该数列中。问12是否在该数列中。条件一，2在该数列中;条件二，6在该数列中。</p><p> 105.<span word="DS">DS</span>：已知数列的第一项，问能否得出数列的第10项。条件一，<span word="Xi">Xi</span>=<span word="ai">ai</span> ;条件二，<span word="Xi">Xi</span>=+<span word="i">i</span></p><p> 106. <span word="DS">DS</span>：问<span word="x">x</span>+<span word="y">y</span>的算数平均值是不是/2，条件一，，条件二，<span word="x">x</span>+<span word="y">y</span>+<span word="r">r</span>=6<span word="r">r</span></p><p> 107. 有一道图形题，回头我画出来。问角<span word="y">y</span>和角<span word="x">x</span>的关系，我的答案是<span word="y">y</span>=3<span word="x">x</span>。</p><p> 108.1/2+1/2^2+1/2^3+1/2^4+~ ~+1/2^10的范围是：</p><p> <span word="a">a</span>. 0~1/2，<span word="b">b</span>.，<span word="c">c</span>.1~3/2，<span word="d">d</span>. 3/2~2，<span word="e">e</span>. 2~3</p><p> 109. <span word="x">x</span>^2+6<span word="x">x</span>+<span word="q">q</span>, <span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="value">value</span> <span word="of">of</span> <span word="q">q</span>?</p><p> 1). <span word="X">X</span>^2+6<span word="x">x</span>+<span word="q">q</span>=<span word="x">x</span>^2+<span word="rx">rx</span>+<span word="r">r</span>-2. <span word="some">some</span> <span word="r">r</span> <span word="is">is</span> <span word="satisfied">satisfied</span> <span word="for">for</span> <span word="this">this</span> <span word="quotation">quotation</span>. <span word="All">All</span> <span word="variable">variable</span> <span word="X">X</span> <span word="is">is</span> <span word="satisfied">satisfied</span> <span word="for">for</span> <span word="this">this</span></p><p> 2). <span word="x">x</span>^2+6<span word="x">x</span>=<span word="Q">Q</span>=, <span word="some">some</span> <span word="m">m</span> <span word="and">and</span> <span word="n">n</span> <span word="is">is</span> <span word="satisfied">satisfied</span> <span word="for">for</span> <span word="this">this</span> <span word="quotation">quotation</span>. <span word="All">All</span> <span word="variable">variable</span> <span word="X">X</span> <span word="is">is</span> <span word="satisfied">satisfied</span> <span word="for">for</span> <span word="this">this</span></p><p> 110. <span word="M">M</span>是一直角三角形的顶点，一条边与<span word="X">X</span>轴交于，求另一条边与<span word="X">X</span>轴的交点的坐标。</p><p> 111.已知<span word="a">a</span>、<span word="b">b</span>是大于2的不同质数，问以下哪个有可能是质数</p><p> <span word="ab">ab</span></p><p> <span word="a">a</span>+<span word="b">b</span></p><p> <span word="a">a</span>^2+<span word="b">b</span>^2</p><p> <span word="a">a</span>^2+2<span word="b">b</span></p><p> <span word="a">a</span>+<span word="b">b</span>+1</p><p> 112.老机经<span word="cinema">cinema</span> <span word="ticket">ticket</span>那道题</p><p> 113.<span word="Senior">Senior</span>/<span word="physics">physics</span>那道老机经，但是问题不太一样。我算出来是33.3%，不是老机经的50%</p>
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