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2023-04-09 20:19:04
2023-04-09 20:18:58
2023-03-10 19:19:30
2023-03-09 19:28:50
2022-08-15 10:29:58
a) vì góc A4 sole trong với góc B2 suy ra a song song b
b) vì a song song b mac lai vuông góc với a suy ra c cung x vuông góc b
c)vì góc B1 kề với góc B2 nên suy ra B1= 180-110= 80 độ
C3=80 độ
2022-08-15 09:44:32
không có cặp góc sole và đồng vị nào hết
2022-07-27 11:49:59
2022-07-27 11:49:59
2022-07-27 11:49:59
2022-07-27 11:49:59