GMAT数学精华题型解析(8)
<p> <span word="GMAT">GMAT</span>数学考试常见题型的解题技巧有哪些呢?以下将为大家深入分析<span word="GMAT">GMAT</span>数学考试常见题型的解题策略和技巧，希望能够为考生备战<span word="GMAT">GMAT</span>数学考试带来帮助。</p><p> 128 做<span word="A">A</span>，<span word="B">B</span>两种题，做对<span word="A">A</span>了给1分，做对<span word="B">B</span>了给2分，某某做对<span word="A">A</span>的正确率是80%，做对<span word="B">B</span>的概率是55%，一共得了90分问一共做了多少题?</p><p> <span word="A">A</span>。。。</p><p> <span word="B">B</span>。。。</p><p> <span word="C">C</span>60</p><p> <span word="D">D</span>90</p><p> <span word="E">E</span>120</p><p> <span word="X">X</span>80%1+<span word="Y">Y</span>55%2=90</p><p> 求 <span word="X">X</span>+<span word="Y">Y</span></p><p> 化简 4/5<span word="X">X</span>+11/10<span word="Y">Y</span>=90 8<span word="X">X</span>+11<span word="Y">Y</span>=900 8<span word="X">X</span>+8<span word="Y">Y</span>8<span word="X">X</span>+11<span word="Y">Y</span>11<span word="X">X</span>+11<span word="Y">Y</span></p><p> 8<span word="X">X</span>+8<span word="Y">Y</span>11<span word="X">X</span>+11<span word="Y">Y</span> 900/11</p><p> 81</p><p> 139 <span word="a">a</span>^+<span word="b">b</span>^=0? <span word="Answer">Answer</span>:<span word="C">C</span></p><p> 1, <span word="a">a</span>+<span word="b">b</span>=0,</p><p> 2, <span word="c">c</span>-<span word="d">d</span>=0</p><p> <span word="C">C</span></p><p> 164 <span word="PS">PS</span>. <span word="Law">Law</span> <span word="firm">firm</span> <span word="has">has</span> <span word="branches">branches</span> <span word="in">in</span> <span word="X">X</span>,<span word="Y">Y</span> <span word="andZ">andZ</span> <span word="states">states</span>. <span word="Each">Each</span> <span word="Lawyer">Lawyer</span> <span word="has">has</span> <span word="either">either</span> <span word="a">a</span> <span word="license">license</span> <span word="in">in</span> <span word="one">one</span> <span word="state">state</span> <span word="or">or</span> <span word="in">in</span> <span word="all">all</span> <span word="three">three</span> <span word="states">states</span>. <span word="there">there</span> <span word="are">are</span> 10, 11, 13 <span word="lawyers">lawyers</span> <span word="licensed">licensed</span> <span word="in">in</span> <span word="the">the</span> 3 <span word="states">states</span> <span word="respectively">respectively</span>. <span word="there">there</span> <span word="are">are</span> 28 <span word="lawyers">lawyers</span> <span word="in">in</span> <span word="total">total</span> <span word="in">in</span> <span word="the">the</span> <span word="firm">firm</span>. <span word="how">how</span> <span word="many">many</span> <span word="lawyers">lawyers</span> <span word="work">work</span> <span word="in">in</span> <span word="state">state</span> <span word="Z">Z</span>?</p><p> 貌似之前出现过吧或者是在<span word="prep">prep</span>做过?设<span word="in">in</span> <span word="all">all</span> <span word="three">three</span> <span word="states">states</span>的人数是<span word="X">X</span>，10-<span word="x">x</span>+11-<span word="x">x</span>+13-<span word="x">x</span>=28-<span word="x">x</span> 算出<span word="x">x</span>=3，那么只在<span word="Z">Z</span>的就是13-3=10</p><p> 271 <span word="PS">PS</span>：70，200，<span word="N">N</span>，它们三个数分别是另外两个数的<span word="products">products</span>的<span word="factory">factory</span>，问<span word="N">N</span>的可能的最大值除以最小值的商，答案有20，100，700之类的，我选的是100</p>
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