2018 AMC 10B是AMC8/10/12美国数学竞赛 历年真题视频课+历年真题及答案的第18集视频,该合集共计24集,视频收藏或关注UP主,及时了解更多相关视频内容。
2018年AMC 10试题共有25道选择题,每道题目有5个选项。由于我无法直接提供试题的图像或链接,我将以文字形式描述其中的一些问题,并给出相应的解答思路。 1. 问题描述,一个矩形的长是宽的3倍,如果将宽减少1个单位,那么矩形的面积会减少多少? 解答思路,设矩形的宽为x,那么长为3x。矩形的面积为长乘以宽,即3x ...
9 2018AMC10A Problem 24 Triangle with and hasarea .Let bethemidpointof ,and let bethemidpointof .Theanglebisectorof intersects and at and , respectively.Whatistheareaofquadrilateral ? 在三角形ABC中,AB=50,AC= 10,其面积为120。令D为AB 的中点并且E为AC的中点。 ∠BAC 的角平分线分别与DE和...
A list of 2018 positive integers has a unique mode, which occurs exactly 10 times. What is the least number of distinct values that can occur in the list? Problem 15 A closed box with a square base is to be wrapped with a square sheet of wrapping paper. The box is centered on the ...
1 2018 AMC 10B Problem 1 Kate bakes a -inch by -inch pan of cornbread. The cornbread is cut into pieces that measure inches by inches. How many pieces of cornbread does the pan contain? Kate 烤了一块20英寸x 18英寸的玉米面包。这块玉米面包被切分成2英寸x 2英寸的多个 小块面包。问这大...
AMC是American Mathematics Competition是美国数学竞赛的缩写，由美国数学协 会(Mathematics Association of America)于1950年成立。试题由简至难兼具，使任何程度的学 生都能感受到挑战，还可以筛选出特有天赋者。2、 比赛时间 AMC包括AMC 8、AMC 10、AMC 12、AIME一系列测验；3、 AMC比赛对美国本科申请有什么帮助 A...
2018 AMC10A _Problems_Eng&Chn-中英文 AMC中国区组委会 2018AMERIC AN M A THEM A TICS C OMPETITION10 2018年美国十年级数学竞赛（AMC10）1.What is the value of 上述表达式的结果是多少？2.Liliane has 50% more soda than Jacqueline, and Alice has 25% more soda than Jacqueline. What is the ...
2018年 AMC10 A卷 2018 AMC 10A Problems Problem 1 What is the value of (((2 + 1)-1 + 1)-1 + 1)-1 + 1 ? Problem 2 Liliane has 50% more soda than Jacqueline, and Alice has 25% more soda than Jacqueline. What is the relationship between the amounts of soda that Liliane and...
= 4:? (A) 12 (B) 14 (C) 16 (D) 18 (E) 20 2018 AMC 10A Answer Key 1 2 3 4 5 6 7 8 9 10 B A E E D B E C E A 11 12 13 14 15 16 17 18 19 20 E C D A D D C D E B 21 22 23 24 25 E D D D D...
dislike vote. At one point Sangho saw that his video had a score of 90, and that of the votes cast on his video were like votes. How many votes had been cast on Sangho's video at that point?2018 AMC 10A Problems Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 ...