2m= 2^3 +2^4 +2^5+...+2^2018
2m-m =m= (2^3 +2^4 +2^5+...+2^2018)-(2^2+2^3+2^4+...+2^2017)
m=-2^2+2^2018=2^2018-2^2
lưu ý: dấu "^" là dấu lũy thừa nhé.
viet tong sau duoi dang mot luy thua cua 2
4 + 2mu2 + 2mu3 +2 mu4 + 2mu2008
viet cac bieu thuc sau duoi dang mot luy thua
32x8 mu 5x1024
Viet tich sau duoi dang luy thua cua mot so :
27^3 x 9^4 x 243
viet cacso : 987, 2456, abcde duoi dang tong cac luy thua cua 10 .
viet cac so 538 : abcd duoi dang tong cac luy thua cua 10
b) Viet tich sau duoi dang mot luy thua :
2 . 2 . 2 . 3 .3 . 62 . 3
c) Tinh 27 . 75 . +25 . 27 - 150
Ai biet giai giup minh voi nhe!
viet cac so 987, 2564, abcde duoi dang tong cac luy thua cua 10 ?
Viet tich sau duoi dang mot luy thua
2 .2 .2 .3 .3 .62 . 3
Viet tich sau duoi dang mot luy thua:
2. 2. 2. 3 .3 . 62 . 3
