đây là môn anh

bn giỏi nhỉ

4M=4²+4³+4⁴+......+4²⁰¹⁴

4M-M=4²+4³+4⁴+......+4²⁰¹⁴-4-4²-4³+......-4²⁰¹³

3M=4²⁰¹⁴-4

\(\Rightarrow\)3M=(4²⁰¹⁴-4)=(4²)¹⁰⁰⁷-4 =16¹⁰⁰⁷-4=(16⁵)²⁰⁰.16⁷-4=....76.x...76-4=..76..-4=....72 

Vậy chữ số tận cùng của M=....72 :3=....4 là ...4

tick mkvoi nhe

Let me tell you about my family. I live with my mum, my dad and my big sister. We live in Ho Chi Minh city. My mum's name is huong She's short and slim, she's got long, black hair and brown eyes. She's a teacher. My dad's name is nam He's tall and a little fat! He's got short brown hair and blue eyes. He works in a bank. My sister lan is 14 and she loves listening to music. She listens to music all the time! She's got long brown hair and greeen eyes. I've got long hair too. We've got a pet dog, Kiki. He's black and white and very friendly. I love my family very much.

chúc bn học tốt