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huynh anh phuong 29/07/2020 at 14:14
The ratio of the 1st gear and the 4th gear is : 3:1
So the last one will rotate: 1 * 3 = 3 ( revolutions )
Choose A
huynh anh phuong
11/07/2020 at 20:03huynh anh phuong
30/06/2020 at 17:23
huynh anh phuong 02/07/2020 at 12:59
Now just to find the solution! Hope you get any luck.

huynh anh phuong 02/07/2020 at 12:58
Hard to translate? I will translate for you.
2 , 4 , 8 FOLLOWS THE RULE . 3 , 6 , 9 FOLLOWS THE RULE . 10 , 5 , 7 FOLLOWS THE RULE . 19 , 2 , 1 FOLLOWS THE RULE. BUT 9 , 5 , 3 DON'T FOLLOWS THE RULE . WHAT IS THE RULE?
huynh anh phuong
29/06/2020 at 11:12Pham Thị Phương Hoa
28/06/2020 at 20:25Đỗ Thị Ngọc Dung
28/06/2020 at 19:05Võ Thị Hường
28/06/2020 at 19:04Nguyễn Thị Thu Hiếu
28/06/2020 at 19:02Nguyễn Mai Phương
28/06/2020 at 19:00huynh anh phuong
23/06/2020 at 11:32huynh anh phuong
20/06/2020 at 06:31huynh anh phuong
19/06/2020 at 05:23huynh anh phuong
18/06/2020 at 13:154799
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