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quyenpham03012006
2 năm trước
helpppppppppppppppp meeeeeeeeeeeeeeeeeeeee ko tính giá trị, hãy cho biết tổng (hiệu) sau là số nguyên tố hay hợp số a, 5.6.7+8.9 b, 5.7.9.11-2.3.7 c, 5.7.11+13.17.19 d, 4253+1422 e, 19.27.78+71.91.101 g, 29.19.49+59.58
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