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

Toán Lớp 6: [(45.79+45.21):90-5^12 : 5^10 ] :5^0 -2^3

Toán Lớp 6: [(45.79+45.21):90-5^12 : 5^10 ] :5^0 -2^3

Comments ( 2 )

  1. Giải đáp+Lời giải và giải thích chi tiết:
     [(45.79+45.21) : 90-5^12 : 5^10] : 5^0 -2^3
    =[45(79+21) : 90 -5^2]:1-8
    =(45.100:90-25) : 1-8
    =4500 : 90-25-8
    =50-25-8
    =25-8
    =17

  2. [(45.79+45.21):90-$5^{12}:$ $5^{10}]:$ $5^{0}-$ $2^{3}$ 
    =[45.(79+21) :90$-5^{2}]:1-8$ 
    =[45.100:90-25]:1-8
    =[4500:90-25]:1-8
    =[50-25]:1-8
    =25:1-8
    =25-8
    =17
     

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

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