-2.9-3.6= -7.5+2.8= 4.5-8.3= -3.5+8.1= -5/6+3/8= -2 5/7-1 3/14=

Question

-2.9-3.6= -7.5+2.8= 4.5-8.3= -3.5+8.1= -5/6+3/8= -2 5/7-1 3/14=

Answer 1

-2,9-3,6=-6,5

-7,5+2,8=-4,7

4,5-8,3=-3,8

-3,5+8,1=4,6

-5/6+3/8=-11/24 или -0,458 (3)

-2 5/7- 1 1/14=-3 11/14 или -3,7