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

Toán Lớp 6: thực hiện phép tính c,2448 – [ 119 – (23 – 24 : 2^2)] -4^2 d, 45 – 2018^0.[(7^10 : 81 – 5.2^3 ) : 15 ] e, [3185 :13 + 15.(3^4 -10)] :65

Toán Lớp 6: thực hiện phép tính
c,2448 – [ 119 – (23 – 24 : 2^2)] -4^2
d, 45 – 2018^0.[(7^10 : 81 – 5.2^3 ) : 15 ]
e, [3185 :13 + 15.(3^4 -10)] :655 + 2010^0

Comments ( 1 )

  1. c)
    :=2448-102-4^4
                =1346-4^4
                =2090
    d)
    = 45 – 1 [ ( 710−8 + 81 – 5 . 8 ) : 15 ]
    = 45 – [ ( 7² + 81 – 40 ) : 15 ]
    = 45 – [ ( 49 + 81 – 40 ) : 15 ]
    = 45 – [ ( 130 – 40 ) : 15 ]
    = 45 – [ 90 : 15 ]
    = 45 – 6
    = 39
    e)
    ý e mik ko biết làm

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

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