Crossfigure Puzzle # 4

A challenging puzzle in which all the clues are simple numerical expressions. You will find that for solving the puzzle logic and ingenuity are more important than mathematical skill.

Crossfigure Puzzle

Across

1 1 down plus 346
4 Three times 20 down
7 21 down minus nineteen
8 20 down divided by five
9 26 down plus eleven
10 A prime number
11 Two times 10 down
13 6 down plus 1214
15 4 down minus 778
17 28 down times 8 across
20 20 down plus eighty-four
23 14 down divided by four
24 7 across plus nine
25 14 down divided by four
27 23 across times three
28 A square number
29 A square number
30 6 down minus 104

Down

1 29 across plus eighty-two
2 A prime number
3 20 down minus 591
4 4 across minus 117
5 Five times 28 down
6 Eight times 8 across
10 10 across plus four
12 11 across minus seven
14 Eight times 12 down
16 6 down divided by six
17 15 across plus 311
18 9 across plus twenty-eight
19 6 down plus 264
20 2 down times 5 down
21 28 across times two
22 4 down plus eight
26 24 across plus eighteen
28 28 across minus one

Solution