Помогите решить пример 76/40 + 115/36. Created by tender1oksana. matematika-ru

36...

MihLi2004 У меня получилось так - 5,10
1) 76/40
2) 115/36
3) 3,20+1,90=5,10

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FoundName $\frac{76}{40} + \frac{115}{36} = \frac{19*4}{10*4} + \frac{115}{36} = \frac{19}{10} + \frac{108}{36} + \frac{7}{36}=3+ \frac{19*18}{18*10} + \frac{7*5}{36*5} =\\=3+ \frac{342}{180} + \frac{35}{180} = 3+\frac{377}{180} =3+ \frac{360}{180} + \frac{17}{180} =3+2+ \frac{17}{180} =5 \frac{17}{180}$

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