25 БАЛООВ!!!!!!!!!!!!!!!!!

2/3 * (0,75 - 1/2) + 5/12
-------------------------------
(2/3 * 0,75 - 1,2) * 4

По действиям!

1.1)1/2=0,502)0,75-0,50=0,253)0,25=1/44)1/4=3/125)2/3=8/126)8/12-3/12=5/127)5/12+5/12=10/12

2/3 * (0,75 - 1/2) + 5/12------------------------------- =(2/3 * 0,75 - 1,2) * 41)0.75-1/2=0.75-0.5=0.252)0.25*2/3=1/4*2/3=1/63)1/6+5/12=2/12+5/12=7/124)2/3*0.75=2/3*3/4=1/25)1/2-1.2=0.5-1.2=-0.76)-0.7*4=-2.87)7/12÷(-2.8)=-(7/12*5/14)=-5/24ответ:-5/24