hard Set 3 Form Exercise
01
311 - 212 = ___
Show answer

99

02
321 - 205 = ___
Show answer

116

03
483 - 319 = ___
Show answer

164

04
516 - 383 = ___
Show answer

133

05
894 - 727 = ___
Show answer

167

06
823 - 281 = ___
Show answer

542

07
605 - 281 = ___
Show answer

324

08
805 - 693 = ___
Show answer

112

09
713 - 189 = ___
Show answer

524

10
974 - 696 = ___
Show answer

278

11
751 - 169 = ___
Show answer

582

12
527 - 390 = ___
Show answer

137

13
701 - 645 = ___
Show answer

56

14
282 - 143 = ___
Show answer

139

15
389 - 299 = ___
Show answer

90

16
719 - 295 = ___
Show answer

424

17
393 - 214 = ___
Show answer

179

18
207 - 155 = ___
Show answer

52

19
678 - 597 = ___
Show answer

81

20
329 - 255 = ___
Show answer

74