Question

- 1/6 * 4.2 - (5/8 - 1)

Желательно по действиям.

Answer 1

-1/6 * 4.2 - (5/8 - 1)=-1/6*21/5-5/8+1=////1)-1/6*21/5=-21/30=-7/10; //2)-7/10-5/8=-28/40-25/40=-53/40=-1 13/40; ///// 3)-1 13/40+1=-13/40; Ответ: -13/40

Answer 2

1)-1/6*21/5=-21/30;
2)5/8-8/8=-3/8;
3)-21/30-3/8=-84/120-45/120=-129/120=-43/40=-1 3/40.