39/7*35/13-5/3(38/9-17/6) = 3*5 - 5/3:50/36 = 15-1,2 = 13,8
<span>3,2+8,42+( - 3,2)+( - 6,4)+( - 8,42)=(3,2+( - 3,2))+(8,42+( - 8,42))+( - 6,4)=
=0+0+( - 6,4)= - 6,4</span>
1) 3|8 + 5|12 + 1|24 + = 9|24 + 10|24 + 1|24 = 20|24
2) 1|4 + 3|8 + 5|16 = 4|16 + 6|16 + 5|16 + 15|16
3) 5|7 + 3|14 + 1|21 = 30|42 + 9|42 + 2|42 = 41|42
8*(-15)-10+(-15)+2-4(-15)=-83
10*3 = 30 кустов - прополола
65+30 = 95 кустов - всего