cách 1:
A, 2^10 : 2^8 = 1024 : 256 = 4
B, 4^6 : 4^3 =4096: 64 = 64
C, 8^5 : 8^2 = 32768 : 64 = 512
D , 7^4 : 7 ^ 4 = 2401 : 2401 = 1
Cách 2
A, 2^10 : 2^8 = 2 ^(10 - 8) 2^2 = 4
B, 4 ^6 : 4^3 =4^ (6-3) = 4^3 = 64
C, 8^5 : 8^2 = 8^( 5 -2 ) = 8^3 = 512
D, 7^4 : 7^4 = 7^(4-4) = 7^0 = 1
1024:256=4; 2^10:2^8=2^4
4096:64=64; 4^6:4^3=4^3
32768:64=512 ; 8^5:8^2=8^3
2401:2401=1; 7^4:7^4=1