Question

Вычислите: 1) -6 2\3- 8,75- 2 5\12= 2)-3 7\15-0,4- 6 1\3=

Answer 1

1) -6 2\3- 8,75- 2 5\12=-(6 2/3+8 3/4+ 2 5/12)=- (16 8/12+9/12+5/12)=-16 22/12=-17 10/12= -17 5/6
2)-3 7\15-0,4- 6 1\3=- (3 7/15+2/5 + 6 1/ 3)= - (9 7/15+6/15+5/15)=-9 18/15= 
-10 3/15= -10 1/5