1) (506 284) - 10487 = 143704 - 10487 = 1332172) (2148 - 1954) 37 = 194 37 = 71783) (1357 + 983) 26 = 2340 * 26 = 60840
1) (506 284) - 10487 = 143704 - 10487 = 133217
2) (2148 - 1954) 37 = 194 37 = 7178
3) (1357 + 983) 26 = 2340 * 26 = 60840