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2022-10-27 21:01:43
2/3x +1/3= 3/4
2/3x =3/4-1/3
2/3x =9/12-4/12
2/3x =5/12
x =5/12:2/3
x =5/12.3/2
x = 5/8
vây x =5/8
2022-10-25 21:07:54
có 7 chu kì và 18 nhóm
2022-10-25 20:51:17
có 7 chu và 18 nhóm
2022-10-25 20:47:37
6.X-6=5628:(-28)
6.X-6=-201
6.X =-201+6
6.X =-195
X =-195:6
X =-32,5
Vậy x=-32,5
2022-10-24 21:26:27
2022-10-24 21:20:57
2022-10-24 20:58:55
B. đường