Contoh soal mengenai sifat-sifat operasi hitung bilangan.
1. 125 + 275 = …. + 125
2. 345 + ….. = 220 + 345
3. 20 x 35 = …. x20
4. 145 x …. = 25 x 145
5. …. x420 = 420 x 5
6. (4 + 6) + 10 = 4 + (…. + 10)
7. 90 + (56 + 45) = (90 + …) +45
8. …. +(219 + 21) = (46 + 219) + 21
9. 8 x (12 x ….) = ( 8 x 12) x 5
10. ….x (5 x 11) = (32 x 5) x 11
11. 121 x (… + 9) = (121 x 11) + (121 x ….)
12. 150 x (…. + ….) = (150 x 8 ) + (150 x 2)
13. 45 x (…. – 5) = (45 x 10) – (45 x ….)
14. 13 x (5-2) = (13 x ….) – (13 x ….)
15. 200 x (4 + …) = (200 x …) + (200 x 6)
