Q1) 42 - 11 = [ 31]

Q1) 695 - 155 = [ 540]

Q1) 2698 - 989 = [ 1709]

Q2) 56 - 40 = [ 16]

Q2) 854 - 695 = [ 159]

Q2) 2456 - 816 = [ 1640]

Q3) 80 - 57 = [ 23]

Q3) 320 - 33 = [ 287]

Q3) 1640 - 38 = [ 1602]

Q4) 27 - 15 = [ 12]

Q4) 933 - 196 = [ 737]

Q4) 7111 - 964 = [ 6147]

Q5) 95 - 88 = [ 7]

Q5) 554 - 341 = [ 213]

Q5) 6133 - 400 = [ 5733]

Q6) 46 - 40 = [ 6]

Q6) 983 - 215 = [ 768]

Q6) 6611 - 623 = [ 5988]

Q7) 27 - 21 = [ 6]

Q7) 426 - 255 = [ 171]

Q7) 2434 - 588 = [ 1846]

Q8) 96 - 89 = [ 7]

Q8) 689 - 643 = [ 46]

Q8) 3792 - 227 = [ 3565]

Q9) 60 - 42 = [ 18]

Q9) 680 - 277 = [ 403]

Q9) 8119 - 666 = [ 7453]

Q10) 71 - 68 = [ 3]

Q10) 730 - 345 = [ 385]

Q10) 3521 - 152 = [ 3369]