2 câu trả lời
a) 3^8 : 3^4 = 3^(8 – 4) = 3^4
b) 10^8 : 102^ = 10^(8 – 2) = 10^6
c) a^6 : a = a^(6 – 1) = a^5
a) 38 : 34 = 38 – 4 = 34
b) 108 : 102 = 108 – 2 = 106
c) a^6 : a = a^6 – 1 = a^5
a) 3^8 : 3^4 = 3^(8 – 4) = 3^4
b) 10^8 : 102^ = 10^(8 – 2) = 10^6
c) a^6 : a = a^(6 – 1) = a^5
a) 38 : 34 = 38 – 4 = 34
b) 108 : 102 = 108 – 2 = 106
c) a^6 : a = a^6 – 1 = a^5