Bài 33:
a,3.3.3.3.3=3^5.
b,5.5.5.5=5^4.
c,6.6.6.6.6.6.6=6^7.
Bài 34:
a,3^5.3^4=3^9.
b,5^4.5^7=5^11.
c,8^4.16^5=(2³)^4.(2^4)^5=2^12.2^20=2^32.
d,10³.10:10^4=10^4:10^4=1.
e,2^4.2²:2³=2^6:2³=2^3.
f,27^4.81^10:9^5=(3^3)^4.(3^4)^10:(3²)^5=3^12.3^40.3^10=3^62.
Bài 39:
a,125^5:25³=(5³)^5:(5²)³=5^15:5^6=5^9.
b,27^6:9³=(3³)^6:(3²)³=3^18:3^6=3^12.
c,4^20:2^15=(2²)^20:2^15=2^40:2^15=2^25.
e,64^4.16^5:4^20=(4³)^4.(4²)^5:4^20=4^12.4^10:4^20=4².
f,32^4:8^6=(2^5)^4:(2³)^6=2^20:2^18=2².
*CHÚC BẠN HỌC TỐT*
