<prompt> Hebu a clubsuit b frac2ab cdot fracba. 5 clubsuit 3 clubsuit 6 clubsuit 1 ni nini?  <response>: Tukiangalia ufafanuzi wa a clubsuit b, tunaona kwamba a clubsuit b frac2ab cdot fracbafrac2a cdot bb cdot a frac2abab. Nambari na kipunguzo vyote vinashiriki kipengele kimoja cha ab, kwa hivyo a clubsuit b frac2 ghairiabghairiab 2. Kwa hivyo, bila kujali a na b ni nini ilimradi hakuna sifuri, a clubsuit b daima itakuwa 2. Ukiangalia usemi uliotolewa, a na b sio sufuri kamwe. Kwa hivyo, vyovyote vile maadili ya a na b, usemi huo utatathminiwa kila wakati hadi 2. Kwa hivyo, usemi huo hurahisisha 5 clubsuit 3 clubsuit 6 clubsuit 1 5 clubsuit 2 clubsuit 1 2 clubsuit 1 2. 