Question

выполните действие 8 1112-6 512:0.625=

Answer 1

$8 frac{11}{12} - 6frac{5}{12}:0.625=$
1)$6frac{5}{12}:0.625= frac{77}{12}: frac{1000}{625}= frac{77000}{7500}$
2)$8frac{11}{12}- frac{77000}{7500}= frac{107}{12}- frac{77000}{7500}= frac{66875}{7500}- frac{77000}{7500}= -frac{10125}{7500}=-1.35$
Ответ: -1.35

Answer 2

8 1112-6 512:0.625= 8 11/12-77/12*8/5= 107/12-154/15=535/60-616/60=-81/60=-1,35