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Bằng 10 mũ
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bài 1.
ta có UCLN(24,18) = 6
thế nên có nhiều nhất 6 tổ
mỗi tổ có 4 nam và 3 nữ
Bài 2.
Ta có BC(4,5,8)=B(40)
mà số học sinh nằm trong khoảng 200 đến 250
nên sô học sinh khối 8 là 240 học sinh
căn 200
bằng mũ mấy chứ đâu phải căn mấy