решите уравнения: y :4/5=3целых 1/8 : 1 целую 1/4 z : 3/14=3 целых 1/9 : 4/9. Created by Bonddasha2017. matematika-ru

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решите уравнения: y :4/5=3целых 1/8 : 1 целую 1/4
z : 3/14=3 целых 1/9 : 4/9

Answers & Comments

Igornatev Y :4/5=3 1/8 : 1 1/4
1 1/4y=3 1/8×4/5
5/4y=25/8×4/5
5/4y=5/2
y=5/2×4/5
y=2

z : 3/14=3 1/9 : 4/9
4/9z=3 1/9×3/14
4/9z=28/9×3/14
4/9z=2/3
z=2/3×9/4
z=3/2=1 1/2

2 votes Thanks 3

8 28 3221 h

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v 80 kg kartofelya soderzhitsya 14 kg krahmalanajdite procentnoe soderzhanie krahmaa6e8292a0e6b8d579df0e573315088ec 22701

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chto takoe shar i sfera pozhalujsta podrobno

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6,35...

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iz 20 kg yablok poluchaetsya 16 kg yablochnogo pyureskolko yablochnogo pyure poluchitsyaec27a293bde2349f0d19188bdaa7442c 37958

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8 28 3221 h

v 80 kg kartofelya soderzhitsya 14 kg krahmalanajdite procentnoe soderzhanie krahmaa6e8292a0e6b8d579df0e573315088ec 22701

chto takoe shar i sfera pozhalujsta podrobno

6,35...

iz 20 kg yablok poluchaetsya 16 kg yablochnogo pyureskolko yablochnogo pyure poluchitsyaec27a293bde2349f0d19188bdaa7442c 37958

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