x - 6,57 = 8,54 + 15,36
=>x-6,57=23,9
=>x=23,9+6,57
=>x=30,47
k nha
x - 6,57 = 23,9
x = 23,9 - 6,57
x = 17,33
**** nha
x - 6,57 = 8,54 + 15,36
x-6.57=23.9
x=23.9+6.57
x=30.47
x - 6,57 = 8,54 + 15,36
x - 6,57 = 23,9
x = 23,9 + 6,57
x = 30,47
x-6,57=23,9
x =23,9-6,57
x =17,33
k nha tuananh
x - 6,57 = 8,54 + 15,36
x - 6,35 = 24,17
x = 24,17 + 6,35
x = 30,52
x - 6,57 = 23,90
x= 23,90 -6,57
x=17,33
mik la nguoi thu 2 lam nhung cung mong may ban k cho