Lê Đức Anh
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2025-11-01 11:54:18
19/7+5/6= 104/42
17/6-2=5/6
9×7/10=63/10
11/7:22/21=231/154
2025-11-01 11:54:18
19/7+5/6= 104/42
17/6-2=5/6
9×7/10=63/10
11/7:22/21=231/154
2025-11-01 11:54:18
19/7+5/6= 104/42
17/6-2=5/6
9×7/10=63/10
11/7:22/21=231/154
2025-11-01 11:54:18
19/7+5/6= 104/42
17/6-2=5/6
9×7/10=63/10
11/7:22/21=231/154
2025-11-01 11:54:18
19/7+5/6= 104/42
17/6-2=5/6
9×7/10=63/10
11/7:22/21=231/154
2025-11-01 11:54:18
19/7+5/6= 104/42
17/6-2=5/6
9×7/10=63/10
11/7:22/21=231/154
2025-11-01 11:54:18
19/7+5/6= 104/42
17/6-2=5/6
9×7/10=63/10
11/7:22/21=231/154
2025-11-01 11:50:01
341km2 = 341 000 ha
129000mm2>12dm2 9mm2
1/25ha= 400m2
2025-11-01 11:47:33
hình a 4 4/5
Hình b 2 3/8
2025-09-27 16:25:23
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