Nguyễn Thị Ngọc Thủy
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2025-11-06 19:58:10
A) 19/7+5/6=114/42+35/42=149/42
B) 17/6-2=17/6-2/1=15/6
C) 9*7/10=9/1*7/10=63/10
D) 11/7:22/21=11/7*21/22=3/2
2025-11-06 19:56:36
A) 19/7+5/6=114/42+35/42=149/42
B) 17/6-2=17/6-2/1=15/6
C) 9*7/10=9/1*7/10=63/10
D) 11/7:22/21=11/7*21/22=
2025-11-06 19:56:34
A) 19/7+5/6=114/42+35/42=149/42
B) 17/6-2=17/6-2/1=15/6
C) 9*7/10=9/1*7/10=63/10
D) 11/7:22/21=11/7*21/22=
2025-11-06 19:56:31
A) 19/7+5/6=114/42+35/42=149/42
B) 17/6-2=17/6-2/1=15/6
C) 9*7/10=9/1*7/10=63/10
D) 11/7:22/21=11/7*21/22=
2025-11-06 19:29:49
A) 341 Km2 < 341 000 Hà
B) 129 000 mm2 = 12 dm2 9 mm2
C) 1/25 Ha = 400 m2
2025-11-06 19:25:37
A) 341 Km2