美国大联盟每日练习-Day5
 I put $100 in a savings account. At the end of each year, I earned 10% interest on the balance of my account at th...
美国大联盟每日练习-Day6
 Without using pennies, how many different combinations of coins (nickels, dimes, quarters) will make 30 cents?A) 3...
美国大联盟每日练习-Day7
几何问题The perimeter of an isosceles triangle with side-lengths 1 and 1008 isA) 1010      B) 1012 ...
美国大联盟每日练习-Day8
One side of Todd’s truck is a perfect rectangle ,with an area of 12 m2. if its length is 3 times its width, then it...
美国大联盟每日练习-Day9
A rectangle with sides of integer length is divided into a square region and a shaded rectangular region as shown. If th...
美国大联盟每日练习-Day10
行程问题: A bee sat on the head of a horse rider whose horse was trotting eastbound at a steady five miles per hour. So...
美国大联盟每日练习-Day11
行程问题: At the end of each day, the amount of water in a magic cup is twice what it was at the beginning of the day. ...
美国大联盟每日练习-Day12
 年龄问题:Seven years ago I realized that my age would be tripled twelve years from then. How old am I now?A) 11  ...
美国大联盟每日练习-Day13
What is the reciprocal of -1?解析:本题第一个难点是单词reciprocal的意思,该词的意思是倒数。倒数(reciprocal/ multiplicative inverse)是指分子和分母相倒并且两数乘积为1...
美国大联盟每日练习-Day14
What is 3333333333333333 /5555555555555555when reduced to lowest terms?解析:本题主要是考察数学术语,reduced to lowest terms是指约分,也就是将该分...
美国大联盟每日练习-Day15
解析:本题与昨天相似,主要是需要注意positive even integer的意思是正偶数。因此第50个整数是100,其平方等于10000。If 2 watermelons can be exchanged for 7 apples an...
美国大联盟每日练习-Day16
What is the reciprocal of the sum of the reciprocals of the two smallest prime numbers?解析:重温reciprocal倒数,最小的两个质数分别是2和3,倒...
美国大联盟每日练习-Day17
What is the value of (25)-1×26– 23÷2?解析:本题涉及倒数的计算,一个数的指数为−1为这个数的倒数,因此,(25)-1等于1/25,乘以26,等于2,23除以2等于4...
美国大联盟每日练习-Day18
Ten years ago, my father was 30 years older than I was then. If my father is now 50 years old, how old am I?解析:本题是速度赛选题,...
美国大联盟每日练习-Day19
If 1 /(x+1)= 3 /2, what is the value of 1 /x?解析:本题选自速度赛,涉及分数的计算。分数的计算主要是交叉相乘,主要是a/b=c/d,那么a×d=b×c。按此公式,x+1=2/3,x=-1/3,1/...

热门话题

东莞升学

上海中学

真题试卷

南京升学

高考

热门专栏

广州小升初

全国城市真题试卷

上海小升初

上海中学

北京小升初

All Rights Reserved Powered BY WeCenter V4.1.0 © 2026 京ICP备20005761号-2