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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: 2^3+3(1/2)^0-2^2.4+[(-2)^2:(1/2)^2]:8

Toán Lớp 7: 2^3+3(1/2)^0-2^2.4+[(-2)^2:(1/2)^2]:8

Comments ( 2 )

  1. 2³ + 3(1/2)^0 -2² .4[ (-2)²: (1/2)²]:8
    =8+3-4.4+[4:1/4] ;8
    = 8+3-16+16 : 8
    =8+3 -16 +2=11 -16+ 2=-3
    #phamducthi
    Xin ctlhn ạ

  2. ~Bạn tham khảo~
    2^3 +3(1/2)^0 -2^2 . 4 +[(-2)²:(1/2)²]:8
    =8+3.1-4.4+[4:1/4]:8
    =8+3-16+16:8
    =11-16+2
    =(-5)+2=(-3)
    Vậy 2^3 +3(1/2)^0 -2^2 . 4 +[(-2)²:(1/2)²]:8=(-3)

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222-9+11+12:2*14+14 = ? ( )