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...
20181 2018AMC10A Problem 1 What is the value of 下列算式的值是多少 Problem 2 Liliane has more soda than Jacqueline,and Alice has more soda than Jacqueline.What is the relationship between the amounts of soda that Liliane and Alice have?Liliane 有的汽水比Jacqueline 多50%，Alice 有的汽水比...
= 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...
Joe收集了23枚硬币,由面值5美分,10美分和25美分的硬币组成。他的10美分面值硬币比5美分面值硬币多3枚,他的硬币收藏总价值为320美分。他的25美分面值的硬币比5美分面值硬币多了多少枚?32018AMC10AProblem9Allofthetrianglesinthediagrambelowaresimilartoisoscelestriangle,in...
1 2018 AMC10A Problem 1 What is the value of 下列算式的值是多少 Problem 2 Liliane has more soda than Jacqueline, and Alice has more soda than Jacqueline. What is the relationship between the amounts of soda that Liliane and Alice have?Liliane 有的汽水比 Jacqueline 多50% ，Alice 有的...
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2018 AMC10A Problems 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 relationship between the amounts of soda that Liliane and Alice have?(A)Liliane has 20% more soda than Alice...
2018年美国数学竞赛(AMC10A)的试题与详细解答 中学数学教学试题解题方法1. What is the value of(((2 + 1)-1 + 1)-1 + 1)-1 + 1?李湖南中学数学研究(华南师范大学):上半月
Problems 6 American Mathematics Competition 2018 AMC 10A Problems 7 American Mathematics Competition 2018 AMC 10A Problems 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 ...
2018AMC10A官方真题翰林学院请注意甄别内容中的联系方式诱导购买等信息谨防诈骗 2018AMC10A官方真题翰林学院 2018AMC10A真题 答案解析请参考文末 Problem 1 What is the value of Problem 2 Liliane has more soda than Jacqueline, and Alice has more soda than Jacqueline. What is the relationship between the ...