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24 Αυγ 2016 · Answer To 1 + 4 = 5 Puzzle. A mathematician might take a literal approach. 1 + 4 = 5 2 + 5 = 12 3 + 6 = 21 8 + 11 = ? The first equation is true, the second and third are false, and the answer to the equation should be 19. But riddles like this are not about literally interpreting mathematical symbols.
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5 Οκτ 2020 · So let’s look a little closer into this problem, from the way that each answer is given it looks like the second number in the addition problem is multiplied by the first and then added together into a sum, such as: 1 + [4x1] = 5. 2 + [5x2] = 12. 3 + [6x3] = 21.
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19 Απρ 2016 · Answer: The puzzle is first add the current two numbers and then add their sum to result obtained in previous step. Step-by-step explanation: 1 + 4 = 5. 2 + 5 = 12. 12 is obtained by adding 2 + 5 = 7 and adding the result obtained in previous result which is 5 to 7. ⇒ 7 + 5 = 12. Now, 3 + 6 = 21
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x^{2}-x-6=0 -x+3\gt 2x+1 ; line\:(1,\:2),\:(3,\:1) f(x)=x^3 ; prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120) \lim _{x\to 0}(x\ln (x)) \int e^x\cos (x)dx \int_{0}^{\pi}\sin(x)dx \sum_{n=0}^{\infty}\frac{3}{2^n} Show More
