bài 1:
a) 53 b) 54
c) 252 d) 82
e) 43 g) 26
Bài 2:
a) 3.3.3.3 = 34
b) 2.4.8.8.8.8 = 8.8.8.8.8 = 85
c) 10.100.1000 = 10.10.10.10.10.10 = 106
d) x.x.x.x = x4
e) 5.25.125 = 5.5.5.5.5.5 = 56
f) 4.64.256 = 4.4.4.4.4.4.4.4 = 48
Bài 3:
a) 719 . 714 = 719+14 = 733
b) 52 . 53 . 54 = 52+3+4 = 59
c) a.a2.a5. a8 = a1+2+5+8 = a16
d) x7 . x4 . x3 = x7+4+3 = x14
e) 64 . 25 . 16 = 26 . 25 . 24 = 26+5+4 = 215
g) 125 . 52 . 54 = 53 . 52 . 54 = 53+2+4 = 59
h) 15 . 5 . 152 . 3 = 15 . 3 . 5 . 152 = 15 . 15 . 152 = 151+1+2 = 154
i) 4 . 6 . 9 . 63 = 4 . 9 . 6 . 63 = 36 . 6 . 63 = 6 . 6 . 6 . 63 = 66
Bài 4:
a) 54 = 625
b) 23 = 8
c) 12020 = 1