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MATHEMATICAL CROSSWORD PUZZLES


ACROSS
1. 497 minus thirty-seven, minus forty-eight. 234 minus twenty-one, minus five.
2. One fourth of 200. Three plus two, to the power one. In octal representation is 10. In Roman numerals is LXXXI.
3. Term that in Fibonacci series goes after 3. 13212 plus 12542, plus 37713. Faces in a triangular prism.
4. Four times 165 plus 139. One thousand divided by one thousand. 1073 minus twenty-four, minus 173.
5. 10% of 390. 109 minus one, minus twenty.
6. 1364 divided by two. In binary representation is 1000. 163 plus 201.
7. Number without value when it is to the left of other number. 19283 plus 14431, plus 21430. In Roman numerals is IX.
8. In Roman numerals is XLIII. 2% of 250. Three times four minus three. Its half is twenty.
9. 101 plus ninety. 555 plus 227.

DOWN
1: 3668 divided by seven, plus thirty-three. 107 plus 497.
2: 40% of one hundred. Three cubed divided by three. Angles in a octagon. 31% of one hundred.
3: 1% of one hundred. 103826 minus 29840, minus 4661. Four times two plus one.
4: 2024 divided by eight. 25% of 36. 641 minus seventy-eight, minus twelve.
5: Its triple is 123. Nine squared.
6: 218 plus fifty-four, plus fourteen. Three squared minus one. 386 plus 111.
7: Number that increases tenfold when it is to the right of other number. 147092 minus 134381, plus 66123. 24 divided by three.
8: 8800 divided by one hundred. Three squared minus two. 10% of 60. In Roman numerals is XLII.
9: 228000 divided by one thousand, minus seventy-two. 245 times two.