a, (1/2)^2.x=(1/2)^5 b, (-1/3)^3.x=1/81 c, 8^14/4^12= mình cảm ơn trước
2 câu trả lời
a) (12 )2 . x =(12 )5
=>14 . x = 132
x=132 :14
x=18
b) (−13 )3 . x =181
=>−127 . x = 181
x=181 : −127
x=−13
c) =262141
a) (12 )2 . x =(12 )5
=>14 . x = 132
x=132 :14
x=18
b) (−13 )3 . x =181
=>−127 . x = 181
x=181 : −127
x=−13
c) =262141
