百度作业网求问GRE数学题the figure above consists of 25 squares.if the figur
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求问GRE数学题
the figure above consists of 25 squares.if the figure were folded along the dotted diagonal to form a flat triangle ,then 26 minus the number in the square that would coincide with the square containing 26 would be
the figure above consists of 25 squares.if the figure were folded along the dotted diagonal to form a flat triangle ,then 26 minus the number in the square that would coincide with the square containing 26 would be
第一题,题目说原来有9个学生参加测试,测试分数从0分到10分,他们的平均分是7.5,后来第10个学生加进来,问10个学生可能的最低的平均分是多少?
答案是B,最低平均分出现在第十个学生得0分的时候,这时最低平均分为(9*7.5+0)/10=6.75.
第二题,题目说医生建议个人每日饮水量为：0.5 ounce/pound 乘以个人体重,加上 8 ounce 每 25 pounds 乘以个人体重超出标准体重的部分.现在医生建议某人每日饮水136 ounces,而这个人的体重是240 pound.问这个人体重超出标准体重多少?
答案是D,假设超出部分的重量为x,列方程：0.5*240+8*x/25=136,解得x=50.
再问： 亲，你回答的不是我问的题目啊，我问的那道题是section20的19题，请问有翻译么？
答案是B,最低平均分出现在第十个学生得0分的时候,这时最低平均分为(9*7.5+0)/10=6.75.
第二题,题目说医生建议个人每日饮水量为：0.5 ounce/pound 乘以个人体重,加上 8 ounce 每 25 pounds 乘以个人体重超出标准体重的部分.现在医生建议某人每日饮水136 ounces,而这个人的体重是240 pound.问这个人体重超出标准体重多少?
答案是D,假设超出部分的重量为x,列方程：0.5*240+8*x/25=136,解得x=50.
再问： 亲，你回答的不是我问的题目啊，我问的那道题是section20的19题，请问有翻译么？
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