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

Toán Lớp 6: 2 MU 5 +2.{12+2.[3.(5-2)+1]+1}+1

Toán Lớp 6: 2 MU 5 +2.{12+2.[3.(5-2)+1]+1}+1

Comments ( 2 )

  1. 2^5 + 2 . {12 + 2 . [3 . (5 – 2) +1] + 1} + 1
    = 32 + 2 . {12 + 2 . [3.3 + 1] + 1} + 1
    = 32 + 2 . [12 + 2 . 10 + 1] + 1
    = 32 + 2 + (12 + 20 + 1) + 1
    = 32 + 2 . (12 + 21) + 1
    = 32 + 2 . 33 + 1
    = 33 + 2 . 33
    =  33 . (1 + 2)
    = 33 . 3
    = 99.

  2. Giải đáp:
    99
    Lời giải và giải thích chi tiết:
     2^5+2.{12+2[3.(5-2)+1]+1}+1
    =32+2.(13+2.10)+1
    =33+2.(13+20)
    =33+2.33
    =33.(1+2)
    =33.3
    =99

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