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

Toán Lớp 6: 80-(4.5^2-3.3^2) ////////////////////////=. đ

Toán Lớp 6: 80-(4.5^2-3.3^2)
////////////////////////………….
đ

Comments ( 2 )

  1. 80 – (4 . 5^2 – 3 . 3^2)
    = 80 – (4 . 25 – 3 . 9)
    = 80 – (100 – 27)
    = 80 – 73
    = 7

  2.  80 -( 4.5² -3 .3²)
    =80- (4.25 -3 . 9)
    = 80 – (100- 27)
    =80 –  73
    =7
      
     

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