Tinh [2^-3-(3/4)^-3.(-1/2)^2] [5.3.(4/15)^0]^-2 2,5^5.20^3-5^-1.20+5^7/(20-5)^3.4^3 3,4^6.4^5+6^4.120/8^4.3^12-6^11 (0.2)^3.[(-1/5)^-2]­^-1+[(1/5^6.2^3]:0,125:1/64

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