Qulay usulda hisoblang: $128\cdot 247+247\cdot 172+300\cdot 253$
- A. 150000
- B. 149998
- C. 150004
- D. 149997
Natural sonlar va ular ustida amallar bo‘yicha savol
Javob va yechimni ko‘rish
Javob: 150000
Ko‘paytmalar ichidagi umumiy sonni ajratib olish mumkin:
$128\cdot 247+247\cdot 172+300\cdot 253=247\,(128+172)+300\cdot 253$
$128+172=300$, shuning uchun $247\cdot 300+300\cdot 253=300\,(247+253)=300\cdot 500=150000$.
Javob: **A) 150000**.
Mavzuni mustahkamlang
Bu savol Natural sonlar va ular ustida amallar mavzusiga tegishli. Ta’riflar, formulalar va misollarni mavzu sahifasida ko‘ring.
Mavzuni o‘rganish