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

Toán Lớp 6: Bài 43 : Thực hiện phép tính a)4.5²-81:3² b)3².22-3³.19 c)2⁴.5-[131-(13-4)²]

Toán Lớp 6: Bài 43 : Thực hiện phép tính
a)4.5²-81:3²
b)3².22-3³.19
c)2⁴.5-[131-(13-4)²]

Comments ( 2 )

  1. Bài 43:
    a,4.5^2-81:3^2
    =4.25-81:9
    =100-9
    =91
    —–
    b, 3^2. 22-3^3. 19
    =9.22-27.19
    =198-513
    =-315
    —–
    c, 2^4. 5-[131-(13-4)^2]
    =16.5-[131-9^2]
    =80-[131-81]
    =80-50
    =30

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

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