Farzandingizning arifmetik hisoblash darajasini oshirishning eng qulay yo'li
farzandingiz Nafaqat, balki kattalarga แฮม juda foydali
- 4 ตา arifmetik amalni Tez o'rganing (qo'shish, ayirish, ko'paytirish, bo'lish)
- Bo'sh vaqtingizni unumli narsalarga sarflang
- 3 Hil daraja mavjud (oson, o'rtacha va qiyin)
- Balingizni boshqalarniki bilan solishtiring
- Amallarni bajarganingiz ส่าหรี vaqt kamayib boradi
วุ้น ilovada hatolik Yoki kamchilik topsangiz bizga murojaat Qiling
Ilovani rivojlantirish bo'yicha o'z Fikr va maslahatlaringizni แบริ่ง