Misali na 1
Lissafa amsar
Nawa ne 30% na 440?
Amsar daidai: C
Yadda ake warwarewa
30% na nufin 30 cikin 100, don haka a ninka da 30/100. 440 × 30 = 13200, sannan 13200 ÷ 100 = 132.
Atisaye
Na lambobi
Atisayen Lissafi a kai
Lissafi mai sauri da daidai: kashi cikin ɗari, ɓangarori da jimloli masu matakai da yawa. Sauri yana zuwa ne daga gajerun hanyoyi, ba daga yin lissafi da sauri ba.
An gama 0 daga 120
Lissafa amsar
Nawa ne 5% na 1020?
Zabi amsa
Tambayoyi 10 na farko a kowane rukuni kyauta ne.
Shawarwari don Lissafi a kai
- Kewaye, lissafa, sannan gyara: 49 × 6 = 50 × 6 − 6.
- 10% yana da sauƙi — gina sauran kaso daga gare shi (15% = 10% + 5%).
- Da farko ku kawar da amsoshin da ke da lambar ƙarshe ba daidai ba ko girman da bai dace ba.
Misalai da aka warware: Lissafi a kai
Tambayoyi uku da aka warware na wannan nau'i. Ku gwada kowace da farko, sannan ku karanta amsar da yadda ake samun ta.
Misali na 2
Lissafa amsar
Nawa ne 1/3 na 840?
Amsar daidai: C
Yadda ake warwarewa
A raba zuwa kashi 3 daidai-daidai, sannan a ɗauki 1 daga cikinsu. 840 ÷ 3 = 280, sannan 280 × 1 = 280.
Misali na 3
Lissafa amsar
Nawa ne 2/3 na 108?
Amsar daidai: B
Yadda ake warwarewa
A raba zuwa kashi 3 daidai-daidai, sannan a ɗauki 2 daga cikinsu. 108 ÷ 3 = 36, sannan 36 × 2 = 72.