Упростите выражения: 1) 5 - (a+3) 8-(10+b) 9-(с+7) 2) 2+(-8+с) 3+(-d-5) 4+(a-9) 3) 0,8 - (m+3) 1,4+ (n-2) 2,6- (-k+10)

[latex]1) 5-(a+3)=5-a-3=2-a;[/latex] [latex]8-(10+b)=8-10-b=-2-b;[/latex] [latex]9-(c+7)=9-c-7=2-c;[/latex] [latex]2)2+(-8+c)=2-8+c=c-6;[/latex] [latex]3+(-d-5)=3-d-5=-2-d;[/latex] [latex]4+(a-9)=4+a-9=a-5;[/latex] [latex]3)0,8-(m+3)=0,8-m-3=-2,2-m;[/latex] [latex]1,4+(n-2)=1,4+n-2=n-0,6;[/latex] [latex]2,6-(-k+10)=2,6+k-10=12,6+k.[/latex]