Question

решить 3 способами 1-(3+6) например 13-(3+4)=13-7=6,13-3-4=10-4=6,13-4-3=9-3=6

Answer 1

1 - (3 + 6) = 1 - 9 = - 8
1 - 3 - 6 = (1 - 3) - 6 = - 2 - 6 = - 8
1 - 3 - 6 = (1 - 6) - 3 = - 5 - 3 = - 8

Answer 2

1-(3+6)=1-9=-8
1-(3+6)=1-3-6=-2-6=-8
1-(3+6)=1-(6+3)=1-6-3=-5-3=-8