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

Toán Lớp 6: Giúp mik vs,hứa cho 5 sao và hay nhất a,29-[16+3.(51-49).(2021)^0] b,23.75+25.23-100 c,25-3^5:3^3+21.2^2

Toán Lớp 6: Giúp mik vs,hứa cho 5 sao và hay nhất
a,29-[16+3.(51-49).(2021)^0]
b,23.75+25.23-100
c,25-3^5:3^3+21.2^2

Comments ( 2 )

  1. Giải đáp:
     a, 29-[16+3.(51-49).$(2021)^{0}$ ]
    =29-[16+3.2.1]
    =29-22
    =7
    b,23.75+25.23-100
    =23.(75+25)-100
    =23.100-100
    =2300-100
    =2200
    c,25-$3^{5}$ :$3^{3}$ +21.$2^{2}$
    =25-$3^{2}$ +21.2.4
    =25-9+21.8
    =25-9+168
    =16+168
    =184

  2.  a, 29-[16+3.(51-49).$(2021)^{0}$ ]
    =29-[16+3.2.1]
    =29-22
    =7
    b,23.75+25.23-100
    =23.(75+25)-100
    =23.100-100
    =2300-100
    =2200
    c,25-$3^{5}$ :$3^{3}$ +21. 2² 
    =25-$3^{2}$ +21.2.4
    =25-9+21.8
    =25-9+168
    =16+168
    =184

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

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