Misali na 1
Zabi amsar daidai
Jimillar shekarun Liam da Kate ta kai 107. Shekarun Liam sun fi na Kate da 21. Shekarun Liam nawa ne?
Amsar daidai: C
Yadda ake warwarewa
A cire bambancin daga jimillar don kawar da tazarar: 107 − 21 = 86. Abin da ya rage ninki biyu ne na shekarun ƙaramin, don haka shekarun Kate = 86 ÷ 2 = 43. Shekarun Liam = 43 + 21 = 64.