2025袋鼠MathKangroo Level E真题 3 points 1.The leaflet shown includes transparent windows,allowing 49 what is below to be clearly seen when the faps are folded over. When both faps are folded over,what is the sum of the 8 numbers that can be seen through the windows 如图所示的小册子上带有透明小格，当折叠页面时，可以清楚地看到下面的数字。 问当左右两侧的页面同时折叠时，通过小格可以看到的数字之和是多少？ (A)7 (B)9 (C)12 (D)14 (E)15 2.The base of a triangle increases by 50%and its height decreases by one-third What is the ratio of the area of the new triangle to that of the original triangle 一个三角形的底边长度增加了50%，同时它的高减少了三分之一。问这个新三角 形的面积与原三角形的面积之比是多少？ (A)2:1 (B)1:1 (C)1:2 (D)1:3 (E)1:4 3.In which of the following hexagons is exactly one-third of the area black and exactly one-sixth of the area white 问在以下哪个六边形中，黑色区域的面积恰好占总面积的三分之一，且白色区域 的面积恰好占总面积的六分之一？ 4.recipe requires 1 cup of rice and 1 cups of water.Rouven wants to use 1 cups of rice.How many cups of water does he need 一份食谱要求使用1杯米和1是杯水。Rouven打算使用1是杯米，问他需要多少 杯水？ (A)1 (B)14 (C)1 (D)24 (E)2号 5.Kangaroo Day takes place every year on the third Thursday of March.Which date is the earliest possible day for Kangaroo Day 袋鼠活动每年在三月的第三个星期四举行。问袋鼠活动最早可能在三月的哪一天 举行？ (A)14/3 (B)15/3 (C)20/3 (D)21/3 (E)22/3 1
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