a. 31159
b. 31149
c. 31139
d. 31129
Answer:b. 31149
Explanation:
a. 654
b. 123
c. 129
d. 998
Answer:c. 129
a. 4163
b. 7234
c. 6754
d. 9076
Answer:a. 4163
a. 545434576
b. 658734527
c. 120954890
d. 996658921
Answer:a. 545434576
a. 2376555
b. 7743219
c. 4114413
d. 3209176
Answer:c. 4114413
a. 98345621
b. 35579139
c. 22243456
d. 10934865
Answer:b. 35579139
a. 2234
b. 4771
c. 6543
d. 3211
Answer:b. 4771
a. 7781534
b. 5585676
c. 1267900
d. 9117479
Answer:d. 9117479
a. 42778
b. 44339
c. 55432
d. 70654
Answer:a. 42778
a. 23
b. 54
c. 22
d. 45
Answer:d. 45
Exercise 1
Exercise 2
Exercise 3
Exercise 4
Exercise 5
Exercise 6
Exercise 7
Exercise 8
Exercise 9