Question

Îmi trebuie urgent. Cine știe are 50 puncte

Answer 1

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