Nguyễn Văn Hưng
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2024-06-29 08:27:59
2024-06-09 15:14:21
Living in the countryside is very unique. Although many people think that the country is not good or not well-provided, it's still one of the best options for healthy living. In the countryside, first, it's the low cost of living. Secondly, unlike the cities, the country provides fresh air and green spaces. Last but not least, the villagers are always kind and friendly, willing to help each other no matter what.
2024-03-17 17:27:23
a) x=5x(-3)/15=-1
b) Áp dụng tính chất bằng nhau:
x/17=y/12=x-y/17-12=10/5=2
=> x=17x2=34
y=12x2=24
2024-03-17 17:22:11
a) 3x(-6)+5=-3
b) 2x(-2)2-3x(-1)+7=18
2024-03-17 17:16:25
a) k=-10x(-2)=20
b) y=20/4=5
y=20/-2=-10
2023-11-24 21:21:11
vi.;xxiv;xxxviiii
1;4;9;12;18;39