HORIZONTALES:
1.4 + 3 + 12 + 35 = 54; 13 (45 + 18 - 10) = 111; 102 + 11 = 113
2.(45 + 17) = 62; 25² = 625; 20 + 102 - 32 + 1 = 91
3.(35 + 7) + 35 = 77; (17 + 475) - 18 = 474; 1 + 200 + 300 + 20 = 521
4.10 + 100 + 1000 = 1110; 27 x 35 = 945
5.32 - 302 + 2000 = 1730; (2 + 3)² = 25; 2^? = n/a
6.(45 + 9) x 25 = 1275; 325 + 1457 + 5327 = 7209
7.(7422 + 3) + 48 = 7473; 35 x 3 + 47 x 52 = 3397
8.42 - 5 x 3 = 27; 2 x (1092 + 3) = 2194; √100 + √25 + √49 = 23.2487
9.4526 + 9718 - 5091 = 9213; 1 + 11 + 111 - 22 -33=60; (100 + 2) x 3 - 37 x 4 + 20 = -19
10.42 = 42; (665 - 19) x 153 - 32 = n/a; 2 - 1 + 9 - 2 - 4 - 3 - 2 = -3
VERTICALES:
A. 10 - (233 x 2) = -456; 37 - 42 - 7 = -12
(15 + 3) + 7 x 2 = 31
B. 4503 + 18715 + 1,003,210 + 2 (9517) + 13 (87500) + 1,309,480 x 2 = 5,167,913; 225 - 7 = 218
C. 164 - 10 = 154; 36 x 7 + (514 + 2) + 18 x 4 + 474 = 894
D. 18077 + 9988 + 10 + 27354 - 7 = 56,414; 162 + 7 + 2 x 5 = 181
E. 10 - 10 - 3 x 310 - ? = n/a; 325 + 648 - 251 = 722; (45 + 9) x 1 = 54
F. 8 x 9 - 9 x 7 = 54; 17 + 21 - 32 - 4 + 14 - 7 = 11; 1 + 2 + 3 + 4 + 6 + 5 = 21; 45 x 10 + 50 x 10 - 87 = 923
G. 23 = 23; 4559 + 1057 - 378 + 4263 = 9503; 102 - 12 - 22 - 32 - 4 = 32
H. 75 x 42 - 2739 + 643 = 3,171; 421 x 2 + 122 - 82 = 582; 103 - 43 - 18 - 3 - 13 = 26
I.10 + 30 + 152 x 65 - 1529 + 870 = -151; (624 - 16) + 570 - 2 - 357 - ? = n/a
J. 112 - 7 = 105; 2 x 300 + 2 x 15 = 630; (39 + 13) x 7 = 308