д)3 9\20:(-23\45)=69/20:(-23\45)=69/20 х (- 45/23)=-21/4=-5 1/4
е)2 4\33:(-2 37\55)=70/33:(-147/55)=70/33х (-55/147)=-50/63
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д)3 9\20:(-23\45)=69/20:(-23\45)=69/20 х (- 45/23)=-21/4=-5 1/4
е)2 4\33:(-2 37\55)=70/33:(-147/55)=70/33х (-55/147)=-50/63