math puzzles

A:Let no be XY x+y = 8 10x+y-10y-x==9x-9y==18 x-y == 2 x+y+x-y==10 x=5 y=3 ans 53 and 35

A:try math teasers. things like sudoku arent really math based (you can substitute things like symbols and what not and not lose any functionality). need more info if you want more help. or try putnam (its a competition for college kids)

A:maths puzzles like what/??? there are some maths forums on the net you can refer to.

A:I don't think these have a name, and I've never run across them before. However, so long as you don't mind changing the format around, they look easy to create on the computer or anywhere, really. letter one: 3+4/2 letter two: 2x+3 = 51 (hint: that's the letter x, not a multiplication symbol) letter three: 1*(5-4) letter four: the next prime number after 11 letter five: add 3 to the answer to letter four letter six: 4+4*2 letter seven: this letter is congruent with letter one The answer is: letter one: 3+4/2 = 5 (remember BEDMAS order of opperations: brackets, exponents, divide, multiply, add, subtract) = e (e is the fifth letter of the alphabet) letter two: remember x? Let's solve for x: 2x+3 = 51 2x = 51-3 (we changed sides of the equation, so we need to change its sign) 2x = 48 (we knew all the numbers on the right side of the equals sign, so we can solve it!) x = 48/2 (we moved the 2, so we need to change the sign, remember) x = 24 Now, if we think about the alphabet, we know that x is the 24th letter. so...x = x! :-) letter 3: 1*(5-4) = 1*1 = 1 = a(Did you remember about BEDMAS from above?) letter 4: A prime number is a number who's only factors are 1 and itself, for example 7. We know that 2*6 = 12. So, 12 can't be prime. But 13 is! The 13th letter of the alphabet is, of course, m. letter five: 13+3 = 16 = p. (You got letter four correct, right?) letter six: 4+4*2 = 12 = l (BEDMAS is rather important, you know.) letter seven: Congruent is a math term we use in geometry. It means two shapes that are exactly the same. So, i letter seven is exactly the same as letter one, it must also be...e! If you did everything right, the word you get is: example Wasn't that fun? Wish I had thought of this.

A:I got it: 9824 871 60411 60411 ______ 131517 Where: E = 1 F = 9 H = 0 L = 3 N = 7 O = 8 R = 4 T = 6 U = 2 V = 5 Hint: I set up a spreadsheet to help me out.