1+2+3+4+5+6+7+8+9+10

Question

1+2+3+4+5+6+7+8+9+10

in progress 0
Maris 5 years 2020-11-30T14:08:57+00:00 2 Answers 48 views 0

Answers ( )

  1. Verity
    0
    2020-11-30T14:10:06+00:00
    Reply

    Bơơ

    Đáp án:

     `55`

    Giải thích các bước giải:

    `1+2+3+4+5+6+7+8+9+10`

    `=(1+2)+(3+4)+(5+6)+(7+8)+(9+10)`

    `=3+7+11+15+19`

    `=10+26+19`

    `=55`

  2. Sigrid
    0
    2020-11-30T14:10:38+00:00
    Reply

    1+2+3+4+5+6+7+8+9+10

    =(10+1).5=55

     

Leave an answer

Browse

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