Tìm x, biết:
a) 51 + ( 20 - 3 . x ) : 5 = 55
b) 71 + ( 26 - 3 . x ) : 5 = 75
c) ( x - 6 )\(^2\) = 25
d ) ( x - 6 )\(^3\) = ( x - 6 )\(^2\)
Loga
Toán lớp 6
Tìm x, biết:
a) 51 + ( 20 - 3 . x ) : 5 = 55
b) 71 + ( 26 - 3 . x ) : 5 = 75
c) ( x - 6 )\(^2\) = 25
d ) ( x - 6 )\(^3\) = ( x - 6 )\(^2\)
