Question

Помогите решить!!!!! Срочно срочно!!! Даю 20 балов'
1056

Answer 1

=-15-38=-53
=-2.3-3.9=-6.2
=-1 2/5- 2 1/5=-3 3/5
=-3/8-1/2=-3/8-4/8=-7/8
=-0.25-1/2=-0.25-0.5=-0.75
=-1-1/7=-1 1/7
=-0.2-1/15=-1/5-1/15=-3/15-1/15=-4/15
=3/7+1-3/7=1
=-12-10 14/17=-22 14/17