Решите пример: -5/12*2 2/3-7 2/3*(-1/6)

Question

Решите пример:
-5/12*2 2/3-7 2/3*(-1/6)

Answer 1

1)-5/12•2....2/3=-5/12•8/3=-10/9
2)7...2/3•(-1/6)=-23/18
3)-10/9-(-23/18)=-10/9+23/18=(-20+23)/18=3/18=1/6

Comments

Спасибо)

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1.-5/12•2....2/3=-5/12•8/3=-10/9
2.7...2/3•(-1/6)=-23/18
3.-10/9-(-23/18)=-10/9+23/18=(-20+23)/18=3/18=1/6