GMAT考试1-GMAT数学12月总结(七)
<p> 130. <span word="DS">DS</span> 50 <span word="books">books</span> <span word="was">was</span> <span word="stacked">stacked</span> <span word="by">by</span> 7, 1 <span word="left">left</span>, 问 <span word="How">How</span> <span word="many">many</span> <span word="books">books</span>?</p><p> 1) <span word="stacked">stacked</span> <span word="by">by</span> 9, 7 <span word="left">left</span></p><p> 2) <span word="stacked">stacked</span> <span word="by">by</span> 4, 3 <span word="left">left</span></p><p> <span word="My">My</span> <span word="answer">answer</span> <span word="is">is</span> <span word="A">A</span>, 不知对否.</p><p> 131./</p><p> 132. <span word="xy">xy</span>=<span word="p">p</span>, <span word="p">p</span> <span word="is">is</span> <span word="a">a</span> <span word="prime">prime</span> <span word="number">number</span>, <span word="how">how</span> <span word="to">to</span> <span word="express">express</span>\\<span word="x">x</span>+<span word="y">y</span>\\ <span word="in">in</span> <span word="terms">terms</span> <span word="of">of</span> <span word="p">p</span>?</p><p> 133. 1 1) <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="its">its</span> <span word="hundred">hundred</span> <span word="digit">digit</span> <span word="is">is</span> 0</p><p> 2) <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="its">its</span> <span word="tenth">tenth</span> <span word="digit">digit</span> <span word="is">is</span> <span word="larger">larger</span> <span word="than">than</span> <span word="x">x</span></p><p> 134. 两条线平行与水平直线叫两个角，另外一条直线把其中一个角分成两个小角，知道一个小角的角度，和大角的角度，是否知另一角角度。<span word="D">D</span></p><p> 135.细菌繁殖 是个三排四列的图表 只要记得是左边的与上边的一一对应相乘就可以了</p><p> 136.老机井：少于50本书被9除余一，问总本数那道 <span word="A">A</span></p><p> 137.从每个学生从<span word="ABCDEFGH">ABCDEFGH</span>中选三个数还剩36中选法，问学生个数</p><p> 138. 老机井：100克水果99%含水那道</p><p> 139. 老机井：五边形知道其中四个边长问第五个边可能长度</p><p> 140.第二项开始是前面一项的两倍加5, 如果第三项是31 第一项是几. 答案4.</p><p> 141.. 画了一个不是直角的三角型,给了<span word="AB">AB</span>=3,<span word="AC">AC</span>=4, 问面积. 1). 角<span word="BAC">BAC</span>是90度. 2)<span word="BC">BC</span>=5. 我选<span word="D">D</span>.</p><p> 142. 给了方差的定义,求几个数的方差.不难.</p>
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