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

Toán Lớp 6: [36.4-4.(82-7.121):4-1 làm hộ ý này ạ

Toán Lớp 6: [36.4-4.(82-7.121):4-1 làm hộ ý này ạ

Comments ( 2 )

  1. 36.4-4.(82-7.121):4-1
    =36.4-4.(82-847):4-1
    =36.4-4.(-765):4-1
    =144-4.(-765):4-1
    =144-(-765).4:4-1
    =144.(-765).1-1
    =144.(-765)-1
    =909-1
    =908
    ________________chúc bạn học tốt______________
    (ahihi mik hơi câu giờ sorry bn ^-^)
     

  2.    [ 36 . 4 – 4 . ( 82 – 7 . 121 ) ] : 4 – 1
    = [ 36 . 4 – 4 . ( 82 – 847 ) ] : 4 – 1
    = [ 36 . 4 – 4 . (-765) ] : 4 – 1
    = [ 4( 36 – (-765)] : 4 – 1
    = 4 . 801 : 4 – 1
    = 801 – 1
    = 800
     

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