Nguyễn Vũ Long Nhi
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2024-11-11 20:40:51
a)=18.[85+(16-1)]
=18.[85+15]
=18.100
=1800
b)=520:[515.(6+19)]
=520:[515.25]
=520:517
=953
=125
c)=720-{40.[50:25+8]}+1
=720-{40.[2+8]}+1
=720-{40.10}+1
=720-400+1
=320+1
=321
2024-11-11 20:29:18
a)270=2.3.3.3.5
b)ƯCLN(180,84)=12
ƯC(180,84)=Ư(12)={1;2;3;4;6;12}
2024-11-07 21:36:13
10
2024-11-07 21:30:36
ga trong: 24-7= 17
tong so ga nong trai co la : 24+17=41
2024-11-07 21:28:09
a. 80
b. 25
2024-11-07 21:25:39
57
63
15
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2024-11-03 16:29:09
1.they are in garden
2.the flower is yellow
3.yes,it is
4.no,it isn't
5.he is cleaning in the garden
2024-11-03 16:16:29