Question

ex 10 dau coroana pls ​

Answer 1

Răspuns:

4^5 × 2^2=(2^2)^5 ×2^2=2^10 ×2^2=2^12=(2^4)^3 cub

9^7 ×3=(3^2)^7 ×3=3^14 ×3=3^15=(3^5)^3 cun

3^20 -3^18=3^18(3^2 -1)=3^18 ×8=(3^6)^3 ×2^3=(2×3^6)^3

5^23 +2×5^21=5^21(5^2 +2)=5^21 ×27=(5^7)^3 ×3^3 =(3×5^7)^3

2^5 ×4^2 ×16^6=2^5 ×(2^2)^2 ×(2^4)^6=2^5 ×2^4 ×2^24 =2^33=(2^11)^3

5^14 -2×5^13 -7×5^12=5^12(5^2 -2×5 -7)=5^12 ×8 =(5^4)^3 ×2^3=(2×5^4)^3