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

Toán Lớp 7: Tìm số tự nhiên x , biết : 8) (10 –x)^2= 36 9) (10 –x)^2= 100 10) (x-1)^2= 144 11) (x-1)^3= 1000 12) (x-1)^3= 8 13) (x-1)^3= 216 14) (x-1)^3= 0 15) (x-1)^3= 1 16) (x-3)^2= 4 17) (x-3)^2= 81 18) (x-3)^2= 169 19)(x-3)^2= 121 20) (x-3)^2= 0

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