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2023-11-03 21:17:19
x*2/3+1/6*x-x*1/12=3/4
x*(2/3+1/6-1/12) =3/4
x*3/4 =3/4
x =3/4:3/4
x =1
2023-11-03 21:14:09
(1/2-1/3)+(1/3-1/4)+(1/4-1/5)+(1/5-1/6)+(1/6-1/7)+(1/7-1/8)+(1/8-1/9)+(1/9-1/10)
=1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9+1/9-1/10
=1/2-1/10
=2/5
2023-10-19 22:12:29
Thể tích khối bê tông là:
(12 x 7 x 2)+ 33=195 (dm3)
Vậy thể tích khối bê tông là 195 dm3.
2023-10-19 22:02:42
2023-10-19 21:56:28
72,25 dam2.
2023-10-19 21:51:16
biết rồi, nhưng hướng dẫn không chi tiết lắm nhỉ
2023-10-19 21:43:35
a)998994
b)5601
2023-10-19 21:29:41
45
2023-10-18 22:11:23
-778432
2023-10-18 22:07:32
d