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2014-10-05T22:37:58+03:00
(-2(intregi) 1/4):(-3(intregi)1/5)=(-)(2·4+1/4):(-)(3·5+1/5)=9/4:16/5=9/4·5/16=45/64
(-2(intregi) 1/2)³=(-1)(2·2+1/2)³=(-5/2)³=-125/8
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