Răspuns:
1. (2/1+2/5+3/5)-(9/5+1/5)+24/5
(10/5+5/5)-(10/5)+24/5
15/5-10/5+24/5
5/5+24/5
29/5
2. 3+x/9<1. 3+x<9 |-3. X<6. X=(5 4 3 2 1 0)
Y-1/4<1. Y-1<4.|+1. Y<5. Y=( 4 3 2 1 0)
3. 8/10-(9/10-x/1)=4/10 |- 8/10
-9/10+x/1= -4/10 |+9/10
X/1=5/10
X=1/2
Explicație pas cu pas:
Sper sa înțelegi ce am facut
