M nam giua A va B nen tia OM nm giua hai tia OA,OB

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 Linh. 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 Huyen is 14 and she loves listening to music. She listens to music all the time! She's got long brown hair and greeen eyes, like me. I've got long hair too. We've got a pet dog, Kiki. He's black and wwhite and very friendly. I love my family very much.

x chia het cho 18: x chia het cho 30:x chia het cho 75

suy ra x thuoc BC cua {18,30,75}ma 0be x be hon 75

co 18=2 nhan 3 mu 2:30=2 nhan 3 nhan 5 nhan 2:75=3 nhan 5 mu 2

suy ra BCNN của {18,30,75}=3 mũ 2 nhân 5=45

vay x thuoc 45

không có ngoặc nhọn mong bạn thông cảm

không có ngoặc nhọn mong bạn thông cảm

=[-9]

A.=660

B.=161

C.=[-369]

GTLN của A là 150

<=> x = 0