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Kiều Ngọc Vũ
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Helu mọi người, tôi đang đi tìm bạn đời nghen hi hi 26 Sơn La chào bạn nha !!!!!!!!!!!!
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2023-12-28 20:52:23
a)
454-x = 116-4
454-x = 112
x = 454-112
x = 342
vậy x =342
b) chia hết cho với là số tự nhiên
Ư(15) = { 2;4;14}
2023-12-28 20:43:43
a,−127+208−73+92
= (208+92)-[-208+(-73)
=300+208+(-73)
=508+(-73)
=435
b,2353−(473+2153)+(−55+373)
= 2353-2626+318
= -273+318
= 45
2023-12-20 19:48:28
-20213<-20123