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

Toán Lớp 6: 100 –[ 70-(5-8)^2.3 ] 38.63 +37.38

Toán Lớp 6: 100 –[ 70-(5-8)^2.3 ]
38.63 +37.38

Comments ( 2 )

  1.    100 – [70 – (5 – 8)^2 .3]
    = 100 – [70 – (-3)^2. 3]
    = 100 – [70 – 9. 3]
    = 100 – [70 – 27]
    = 100 – 43
    = 57
    ______________
        38. 63 + 37. 38
    = 38. (63 + 37)
    = 38. 100
    = 3800

  2. Answer
    100 – [70 – (5 – 8)^2 . 3]
    = 100 – [70 – (-3)^2 . 3]
    = 100 – [70 – 9 . 3]
    = 100 – [70 – 27]
    = 100 – 43
    = 57
    ________________________
    38 . 63 + 37 . 38
    = 38 . (63 + 37)
    = 38 . 100
    = 3800

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

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