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a)(1/16)^-0,75 + 810000^0,25 - (7 19/32)^1/5 + 0,63^0=16^75/100 + (3^4 * 10^4)^25/100 - (243/32)^1/5 + 1=2^75/25 + 30^25/25 - (3^5 / 2^5)^1/5+1=2^3 + 30 - 3/2 + 1=8+30-1,5+1=37,5.
b) (3^-1 - 2/3^-2) : (2 - 4/3^-2) * (2^0 - 2^-2)=(1/3 - 9/4) : (2 - 9/16) * (1 - 1/4)=-23/12 : 23/16 * 3/4=-23/12 * 16/23 * 3/4=-1.
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a)(1/16)^-0,75 + 810000^0,25 - (7 19/32)^1/5 + 0,63^0=16^75/100 + (3^4 * 10^4)^25/100 - (243/32)^1/5 + 1=2^75/25 + 30^25/25 - (3^5 / 2^5)^1/5+1=2^3 + 30 - 3/2 + 1=8+30-1,5+1=37,5.
b) (3^-1 - 2/3^-2) : (2 - 4/3^-2) * (2^0 - 2^-2)=(1/3 - 9/4) : (2 - 9/16) * (1 - 1/4)=-23/12 : 23/16 * 3/4=-23/12 * 16/23 * 3/4=-1.