K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

1.Tim cac so tu nhien x sao cho:a/6 chia het cho (x-1)                                      b/14 chia het cho (2.x+3)2.Ve hinh de thay rang moi cau sau day la saia/Hai tia chung goc luon la hai tia doi nhaub/Hai tia chung goc luon la hai tia trung nhauc/Hai tia chung hoc luon la hai tia phan bietd/Hai tia co nhieu diem chung chi khi chung la hai tia trung nhaue/Hai tia phan biet va co chung goc luon la hai tia doi nhauf/Hai tia ko chung goc luon la hai tia khong co diem chung3/a/Ve 3 diem thang...
Đọc tiếp

1.Tim cac so tu nhien x sao cho:

a/6 chia het cho (x-1)                                      b/14 chia het cho (2.x+3)

2.Ve hinh de thay rang moi cau sau day la sai

a/Hai tia chung goc luon la hai tia doi nhau

b/Hai tia chung goc luon la hai tia trung nhau

c/Hai tia chung hoc luon la hai tia phan biet

d/Hai tia co nhieu diem chung chi khi chung la hai tia trung nhau

e/Hai tia phan biet va co chung goc luon la hai tia doi nhau

f/Hai tia ko chung goc luon la hai tia khong co diem chung

3/

a/Ve 3 diem thang hang A,B,C sao cho diem B nam giua hai diem A,C.Sau do hay ke ten:cac tia,cac cap tia doi nhau,cac cap tia phan biet,cac cap tia trung nhau co trong hinh ve do.

b/Ve 4 diem A,B,C,D tren mot duong thang sao cho diem B nam giua hai diem A,C va diem C nam giua hai diem B,D.Sau do hay ke ten:cac tia,cac cap tia doi nhau,cac cap tia phan biet,cac cap tia trung nhau co trong hinh ve do.

~~~~~~~~~~~~~Giup tui voi!!!!!~~~~~~~~~~~~~~

0
19 tháng 11 2017

jkfhfyøht7tytytytycbvb bvvbh dzhftîhkdfagñaøtyzhsdfyøhgbngkuqöieohwoiquyqiôûpquuqpuitôeuyeutfhsdhcfuïoqöøkljsdfcnsdhdcccccdtsudruùnhrgjjljlbyhutnmìoûvsed44fyh7uklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklklkl////////////////////////////////0nmmmmmmmmmmmmmmmmmmmmmmmmlllllllllllllllllllllllllllk,,,,,,,,,,,,,,,,,,,,hkkkkkkkkkkkkkkkkkkkkkkkkkkkkk;jkkkkkkkkkkkkkkkkkkkkkkkkkkkkhkokokokokokokokokokokokokokoko.okkkkkkkkkkkkkkkkkkkkkkkkkkkkokkkkkkkkkkkkkkkkkkkkkokkkkkkkkkkkkkkkkkkkkkokkkkkkkkkkkkkkkkkkokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokoâkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

19 tháng 11 2017

uytyyyy

19 tháng 11 2017

ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

26 tháng 8 2018

undefined

a) Các cặp tia đối nhau là:

+ Ax và Ay

+ Ox và Oy

+ Bx và By

+ Ex và Ey

b) Các tia trùng nhau gốc A là: AO, AB, AE, Ay.

Các tia trùng nhau gốc O là: OB, OE, Oy.

c) Theo câu a ta có 4 cặp góc đối nhau

\(\Rightarrow\) Có tất cả 8 tia phân biệt.

27 tháng 12 2018

Câu hỏi đâu bạn?