how can i make 10 using nine 9s?

how can i make 10 using nine 9s?
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1 Answer

Answer :

arrange 9 checkers to make rows of 4 checkers to every row.
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(A) Use two digits to make the smallest possible positve intiger.(B) Five 3s can express 37: 37=33+3+3/3Find another way to do it.(C) Use six identical dgits to make 100. (Several solutions are possible.)(D) Use five 4s to make 55.(E) Use four 9s to make 20. -Riddles

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Last Answer : (A) 1 X 1; 1/1;2/2;ect....;1-0;2-1;and many others. (B) 37=333/3X3; 37=3 X 3 X 3 + 3/.3 (C) 99 + 99/99; 55+55- 5- 5; (666-66)/6 (D) 44 + 44/4=55. (E) 9 + 99/9=20.

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