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2023-01-02 20:07:48
2023-01-02 19:58:10
a) 42-x=5
x=42-5
x= 37
b)15*(x+4)=75
x+4=75:15
x+4=5
x =5-4
x = 1
2022-11-26 22:09:51
2022-11-26 06:27:38
a) 4
b)2
c)15
d)18
2022-11-25 22:14:25
x+100=100+100+100+100+20.4
x+100=480
x =480-100
x =380
Vậy x =380
2022-11-25 22:06:39
72,9.99+0,9+72=7290
2022-11-04 19:47:49
a,8,0039 m2
b,15,03 km2
c,2,0053 hm2
d,0,0031 dm2
2022-11-04 19:44:21
2022-11-04 19:41:46
2022-11-04 19:39:02