Question

Va rog ajutor dau coroana​

Answer 1

1/8=8(absenti)

1/5=5+2=7(absenti)

7+8=16+2=18(elevi)

Answer 2

Răspuns:

a=absenti

b=prezenti

a=b/8

a+2=(b-2)/5

⁵⁾b/8+⁴⁰⁾2=⁸⁾(b-2)/5

5b+80=8b-16

80+16=8b-5b

b=96:3=>b=32 prezenti

a=32:8=>a=4 absenti

32+4=36 elevi are clasa