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MATHEMATICAL CROSSWORD PUZZLES


ACROSS
1. Sixteen times eight. 0,489 times one thousand.
2. The fourth positive even integer. Two factorial. 25% of eight. Number that goes before one. It's the double of three plus one.
3. Six plus fifty-nine. 179 plus sixty. Thirty-nine plus thirty-two.
4. Twelve divided by four. 50% of six. Nothing. 9% of one hundred. Angles in a nonagon.
5. 832 minus 770, plus 591. 359 plus 118, minus one hundred.
6. Two plus three, to the power one. The square root of nine. The second positive even integer. Quaternary system base. In Roman numerals is I.
7. 42% of one hundred. 8040 divided by ten, minus one. 816 divided by twelve.
8. Amount of prime numbers under 10. 10% of 60. Faces in a heptaedro. Sides in a hexagon. Two plus one.
9. 3072 divided by six, plus 283. 1107 minus ninety-six, minus sixty-seven.

DOWN
1: 420000 divided by one thousand, plus 443. 311 times two, minus seventy-eight.
2: Integer number that goes after zero. 2% of 250. In Roman numerals is VI. Term that in Fibonacci series goes after second 1. Two squared plus three.
3: In binary representation is 10110. 186 plus 167. Sixty-seven plus two.
4: Term that in Fibonacci series goes after 5. 2% of one hundred. Two plus one. Two cubed. In binary representation is 101.
5: 320 divided by ten, plus 198. 525 minus forty-seven, minus seventy-one.
6: Two multiplied by two. 25% of 36. 2% of 150. Its half is three halves. Three times two plus three.
7: Twenty times four. 1138 minus 614, plus 450. Eight squared.
8: 25% of 36. Its double is fourteen. Twenty-one minus fourteen. Faces in a hexahedron. Three and one.
9: 170 times four, plus thirty-nine. 682 minus 499.