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2022-05-31 12:26:09
2022-04-20 17:57:28
2022-04-19 21:50:05
2022-04-19 21:43:55
2022-04-19 21:35:11
a
2022-04-19 21:13:13
a) Chất cách điện là chất không cho dòng điện chạy qua Nhôm, đồng sắt
b) Chất dẫn điện là chất cho dòng điện chạy qua Nhựa, cao su, sứ
2022-04-19 21:08:52
=95200\277440
2022-04-19 20:51:04
đổi 6km=600000cm trên bản đồ quãng đường từ A đến B dài số xăng-ti-mét là:
600000:100000=6(cm)
2022-04-18 21:21:54
2022-04-18 21:18:04
2005x2004-2005x1004=4034090075