Ответ:
Пошаговое объяснение:
4.5:1/5=9/2*5=45/2=22 1/2
5/8:0.75=5/8*4/3=5/6
22 1/2-5/6=22 3/6-5/6=21 2/3
21 2/3×2,3-3 2/3×2,3=2.3*(21 2/3-3 2/3)=2.3*18=41.4
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Ответ:
Пошаговое объяснение:
4.5:1/5=9/2*5=45/2=22 1/2
5/8:0.75=5/8*4/3=5/6
22 1/2-5/6=22 3/6-5/6=21 2/3
21 2/3×2,3-3 2/3×2,3=2.3*(21 2/3-3 2/3)=2.3*18=41.4