1+10+3+5+6=25 nhé

tỉ số phần trăm mà sao lại là phân số đúng là ngu si tứ tri ko phát triển

A=1+2+4+8+.....+4069+8192

=>2A=2+4+8+..........+8138+16384

=>2A-A=16384-1

=>A=16383AI K MK MK K LAI 3 K

1. Lan and her father (visit) visited the Temple of Literture last week.

2. America (discover) was discovered by Christopher Columbus.

3. They (not start) haven't started the project yet.

4. My brother hates (do) doing the same things day after day.

5. My brother usually (go) goes fishing in his free time.

Chuc ban hoc tot nhe!