См. Вложение
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(a^1/2-b^1/2)*(a^1/2+b^1/2)=a+a^1/2b^1/2-a^1/2b^1/2+b=a+b
(c^1/3-d^1/2)^2=C^2/3-C^1/3d^1/2+C^1/3d^1/2+d=c^2/3+d
12*3⁻³+(3/5)⁻²-(1/2)⁰=12*1/27+25/9-1=10/27
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Answers & Comments
(a^1/2-b^1/2)*(a^1/2+b^1/2)=a+a^1/2b^1/2-a^1/2b^1/2+b=a+b
(c^1/3-d^1/2)^2=C^2/3-C^1/3d^1/2+C^1/3d^1/2+d=c^2/3+d
12*3⁻³+(3/5)⁻²-(1/2)⁰=12*1/27+25/9-1=10/27