Hoàng Thùy Dương
Giới thiệu về bản thân
minh ten la duong hoc lop 3a1
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2022-04-24 08:01:46
9 x9 =81
2022-04-24 07:56:00
Chieu cao muc nuoc la:
2,5x4/5=2(m)
Be chua so lit nuoc la:
4,5x3x2=27(m khoi)=27000 l
Dap so:27000 l
2022-04-18 19:55:20
Y B:10 gio
2022-04-18 19:53:17
Giai
So vien bi cua Hai la:
15 x 2 = 30 [vien bi ]
So vien bi cua Minh la:
13 x 5= 45 [vien bi ]
Ca ba ban co so vien bi la:
15+30+45=90 [vien bi]
Dap so:90 vien bi
2022-04-18 19:43:00
2022-04-18 19:41:15
Giai
Van toc cua xe may la:
50:2,5=20 (km/h)
Van toc cua o to la :
20:3x2=40/3(km/h)
Thoi gian o to di het quang duong do la:
50:40/3=3,75 (gio)
Dap so:3,75 gio
2022-04-08 00:00:00
2022-04-08 00:00:00
2022-02-09 16:02:34
2022-02-09 16:02:34
