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

Toán Lớp 6: 3^9. 3 : 3^10 + 2^5 : 2^4.2^3 – 9.2014^0

Toán Lớp 6: 3^9. 3 : 3^10 + 2^5 : 2^4.2^3 – 9.2014^0

Comments ( 2 )

  1. 3^9 .3:3^{10}+2^5 :2^4. 2^3- 9. 2014^0
    =(3^9 .3):3^{10}+(2^5 :2^4). 2^3- 9. 1
    =3^{10}: 3^{10}+ 2 .2^3 -9
    =3^0+2^4-9
    =1+16-9
    =8

  2. 3^9 .3:3^10 + 2^5 :2^4 .2^3 -9. 2014^0
    = 3^(9+1-10)+2^(5-4+3) -9.1
    = 3^0 + 2^4 -9
    = 1+16-9
    = 8

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

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