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168003
167805
167607
28938
2(-8 + 9) + 3 + 8 = 2(1) + 11 = 2 + 11 = 13
167409
28912
2 x 8 - 9 : (1 + 2) = 16 - 9 : 3 = 16 - 3 = 13
167211
167013
28860
28 - (8 + 6) - cos 0 = 28 - 14 - 1 = 13
165724
Well, this morning I tried to explain that to her. Thankfully she understood my explanation.
Weeks ago I had a job to edit a mathematic encyclopedia. When I needed to prove something, I did it using steps similar to ~(p ^ q ^ r) ≡ ~p ∨ ~q ∨ ~r. However, when my co-worker which is also a mathematic education graduate just like me doubted me because as far as she knew, De Morgan's law taught at school and college only consisted of two statements yet I applied it to three statements. I have explained that De Morgan's law still applied for three sentences because the two logical operations within the brackets are the same, but she still didn't believe it. Then I went easy on here by replacing that step with another method and showed that after a few steps I still got the same result as before, but she got confused. According to you guys, is De Morgan's law really only applicable to two statements?
But... 0 ^ 0 = 0 ^ (1 - 1) = (0 ^ 1) / (0 ^ 1) = 0/0
Hi Monox D. I-Fly and bobbym,
The solution SP #160 : 5 and 34 respectively.
Good work, Monox D. I-Fly and bobbym (50% and 100% respectively)!
Uh... Why do I always skip the other question? I just didn't read through.
How did you know that? It doesn't seem to be a popular riddle.
My purpose of life is to take revenge to people who made my teenage life suffer.