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dangthaimai
2 năm trước
Bài 1 a,Viết bằng 2 cách .Tập hợp B các STN ko bé hơn 10 và ko vượt quá 15. b,Điền kí hiệu thích hợp vào ô trống(những cái mik ......) {15;10} .......B 12;13;14 ......B B .....{11;15} 14 ..... B c,Viết các số sau dưới dạng lũy thừa : -Cơ số 7 : 343;2401 -Cơ số 4 : 1024;64;256 BN NÀO LM THÌ LM HẾT GIÚP MIK NHA ! KO LM ĐC HẾT THÌ ĐỪNG LM NỮA
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