Ngô Hoàng Bảo Anh
Giới thiệu về bản thân
Hello!
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2024-01-29 23:00:31
2024-01-29 22:56:13
2023-10-04 20:11:36
2023-10-04 17:49:18
A=(2/7.1/4-1/3.2/7)÷(2/7.3/9-2/7.2/5)
=2/7.(1/4-1/3)÷2/7.(3/9-2/5)
=2/7.(3-4/12)÷2/7.(15-18/45)
=2/7.(-3/12)÷2/7.(-3/45)
=-3/12.(-3/45)
=1/60
2023-10-04 17:34:45
2023-10-04 11:18:18
2023-10-04 11:17:54
2023-10-04 11:17:43
2023-10-04 10:07:05
