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Giới thiệu về bản thân
`安静`.....
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2024-04-14 09:54:40
a. (mik nghĩ thế)
2024-04-14 09:50:25
tra mạng đc ko e?
2024-04-14 09:48:55
ý em là j ?
2024-04-14 09:47:00
2/3 + 1/3 : 3x = 20%
1 : 3x =20/100
3x = 1 : 20/100 ( 1 . 100/20)
3x = 5
x = 5 : 3
x = 5/3
2024-04-14 07:20:26
b) x x 2/3 = 4/9 x 3/8
x x 2/3 = 1/4
x = 1/4 : 2/3 (1/4 x 3/2)
x = 3/2
a) 4/5 - x = 7/4 : 21/8 (7/4 x 8/21)
4/5 - x = 2/3
x = 4/5 - 2/3 (12/15 - 10/15 )
x = 2/15
2024-04-12 21:16:54
Lực hấp dẫn
2024-04-12 21:13:45
3040cm2 : 8= 380 cm2
1065cm2 × 4=4260 cm2
6000mm : 4= 1500 mm
1439cm2 + 875cm2 : 5=1614 cm2
3908cm2 + 547cm2 × 4= 6096 cm2
120km × 3= 360 km
2024-04-12 21:09:00
21/24 - 2/16
= 7/8 - 1/8
= 6/8 = 3/4
2024-04-12 21:08:09
2024-04-12 21:06:27