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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#2 Re: Puzzles and Games » Arrange Mathematical Operation Using 0-9 to Match the Post Number » Today 15:25:28

The way I program in M, a supercomputer would struggle.

511=0+1-2+34+567-89

#3 Re: Puzzles and Games » Arrange Mathematical Operation Using 0-9 to Match the Post Number » Today 15:10:48

You are making smoke come out of my new HP tower.

509=0-1-2+34+567-89

#4 Re: Help Me ! » math help » Today 14:56:41

Hi;

Looks like you completely ignored post #3 which gives a hint, also gave some info on how you can edit your post to make that ge look like ≥.

Back where I come from all any one ever needs is the answer. We train to back engineer the method (explanation) from the answer. Why? Because we almost always have the answer but never the method, never the purpose. We find the completed product just lying there buried under tons of rock and sand, maybe buried there for thousands of millennia. It is valuable to be able to fill in the blanks when the answer is handed to you.

What were your thoughts on these problems? Please try to solve this now yourself. If you still can not after that I will show what I did.

#10 Re: Puzzles and Games » Arrange Mathematical Operation Using 0-9 to Match the Post Number » Yesterday 18:15:52

505=0*1+2*3*4+56*7+89

It could deal with the square root, for the factorials I just ignored them.

#11 Re: Help Me ! » Geo Circles » Yesterday 16:10:43

Here is the diagram for 3)

6531e7a7ad5a4a9b605acf38834256bf2a4cc45d.png

#20 Re: Puzzles and Games » Arrange Mathematical Operation Using 0-9 to Match the Post Number » 2016-05-21 20:28:59

TWO*NINE+SIX-SEVEN-FIVE*ONE*ZERO+483 = 500

Looks like 12 letters, some numbers will need to be repeated.

501=0+1234+56-789

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