Ответ:
[tex]18:\frac{36}{31}=\frac{18*31}{36} =\frac{1*31}{2} =\frac{31}{2} =15\frac{1}{2} =15,5[/tex]
18*31/36=18*31/36=18*31/2*18=31/2=30 1/2
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Ответ:
[tex]18:\frac{36}{31}=\frac{18*31}{36} =\frac{1*31}{2} =\frac{31}{2} =15\frac{1}{2} =15,5[/tex]
Ответ:
18*31/36=18*31/36=18*31/2*18=31/2=30 1/2