MATHEMATICAL CROSSWORD PUZZLES

ACROSS
1. The first positive even integer.
In hexadecimal representation is B.
Eightyseven times nine, minus thirtysix.
2. Eightyeight times nine, minus fortyone.
Angles in a octagon.
315 plus 459, minus three.
3. 848 minus 772.
Twentyfour times three.
20% of ten.
4. Its double is two.
Number without value when it is to the left of other number.
2885 plus 536, minus one.
5. One half of 120.
Seventyfive plus ten.
265 minus 261, plus eightysix.
6. Three times two plus three.
Five and three.
10519 minus 1622, minus 3332.
7. In octal representation is 24.
1024 divided by sixteen, plus twentysix.
Nineteen minus thirteen.
8. 718 minus 377, plus 202.
Term that in Fibonacci series goes before 3.
1001 minus 570.
9. Its half is one half.
Nineteen times nine, minus seventysix.
401 plus fortytwo.
DOWN
1: Its double is 54.
217 minus twentytwo, minus twentysix.
1% of 5100.
2: 211 minus thirtyfive, minus 119.
Term that in Fibonacci series goes before the first 1.
Three cubed minus three.
3: 1157 plus three.
2489 plus 4768, plus 782.
4: Four divided by four.
Term that in Fibonacci series goes after 5.
Angles in a pentagon.
5: 339 minus 252.
Two squared plus one.
One plus ninetyone.
6: Its double is fourteen.
In binary representation is 10111.
It's the double of 25.
Four minus zero.
7: Two to the power five plus fifteen.
Twentyfour plus 340, plus 131.
Its fourth is 11.
8: Twentyfour plus eightyfive, minus thirtytwo.
0,206 times one thousand.
Its half is sixteen and one half.
9: The quadruple of thirty.
760 minus 672, plus 473.