Question

[nguyen ngoc ha]

lm ho mik bi qua !

12x - 4^3. 8³=4.8³

^{tim x} thuoc N

dk : 15 va 50chia het cho x (x lon nhat ) 

giup mik nhe !.mai thi roi ai co de thi lop 6 kiem tra 1 tiet thi gui cho mik nhe minh like cho . cam on nhieu . thanks

Answer 1

[nguyentruongan]

12x-4^3.8^3=2^2.(2^2)^3

12x.(2^2)^3.(2^3)^3=2^2.2^6

12x-2^6.2^9=2^8

12x-2^15=2^8

12x=2^8+2^15

12x=256+32768

12x=33024

x=33024/12

x=2752

Answer 2

[nguyen ngoc ha]

cam on bn

bn co de thi toan lop 6 1 tiet ko cho mik xem nhe