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9 tháng 3 2019

thank you bạn nào trả lời trước cho .... với câu trả lời hợp lí !

thank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank youthank you !

9 tháng 3 2019

2 goc bu nhau chu

Cho 2 góc nhé mình bấm nhầm

14 tháng 3 2018

Đã là bài hình thì bn vẽ hình ra là sẽ làm đc ngay bn mến nhé

26 tháng 3 2018

Minh da ve hinh nhung khong giai duoc phan b nen ban giai ho minh nhe

27 tháng 7 2020

Giúp mình với

27 tháng 7 2020

xoy và yoz phụ nhau = 180*

ta có xoy + yoz = 180*

=> xoy + 35* = 180*

=> xoy = 180* - 35 *

=> xoy = 145 *

1 tháng 8 2019
Cho mik sửa tí Cái phần b ý là chứng tỏ góc tOm là góc vuông nhé ko phải là góc tù là góc vuông đâu
9 tháng 3 2019

giúp tôi

9 tháng 3 2019

Giai :

a) Vi goc yoz va goc xoy la 2 goc ke bu 

suy ra goc xoy va goc yoz=180do 

ta co:xoy+yoz=180do

30 do+yoz=180 do

yoz=180 do-30 do

yoz=150 do

minh chi lam duoc cau a) thoi .