What class lever is a 1.Pencil Sharpener 2.Tennis racket 3. Hole puncher 4. Can opener

Question

What class lever is a

1.Pencil Sharpener
2.Tennis racket
3. Hole puncher
4. Can opener

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Thu Cúc 1 year 2021-09-04T05:24:37+00:00 1 Answers 13 views 0

Answers ( )

  1. Sapo1
    0
    2021-09-04T05:25:51+00:00
    Reply

    should be 1

    Explanation:

    because what do you use in class and has a lever

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )