RANG_MASTER
86 posts


@GorgiVers @MathGuyTFL If we accept 0 as the correct answer, we conclude that 2=8, which negates the historically defined system of mathematics.
English

@GorgiVers @MathGuyTFL In "8b = 8b" obtained by modifying the equation, it seems possible even if the b value becomes 0. However, "b=0" should be excluded from the correct answer because "the first form of the problem, including division" must be observed.
English

@GorgiVers @MathGuyTFL 7b+b=8b, it seems that substituting 0 for b results in 0 = 0, which is true. But this is a 'trap'. Since the problem was originally in the form of a fraction, it must be defined in the form of an original fraction before being converted into a multiplicative form.
English
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@GeometryPuzzles This proposition is nonsense. According to the solution in the picture I attached, the answer is 2 if you substitute "M" for any number except "0".

English

@H0H0v 오른쪽 탱크!
1. 동일 높이, 동일 반지름이라면 오른쪽 탱크에 저장된 물의 부피가 왼쪽탱크에 저장된 물의 부피 대비 1/3 수준.
2. 물의 배출 속도는 별도의 가압장치가 없다면, 물의 높이, 즉, 수두압에 의해결정됨.
오른쪽 탱크는 아래로 갈수록 수면의 높이가 원기둥보다 훨씬 빠르게 낮아짐.
한국어

@nerinatita Sand Casting, also known as sand molded casting, is one of the oldest and most widely used metal casting processes in the manufacturing world. Think of it as the industrial version of making a sandcastle—except you're pouring molten metal into the middle of it.
English

@GeometryPuzzles There is no evidence that the straight line across the triangle is parallel to the base of the triangle.
Therefore, it is unknown.
If it is parallel, the angle is 70 degrees.
English

@mathhub_vn the triangle angle at the bottom is 35 degrees, the bottom is a square with a side length of 7m.
The height of the triangle at the top is 7×tan60, so it is h = 7 + 7\sqrt{3}
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