a)1+2+4+6+5+3+2=23 elevi
b)(4+5×2+6×4+7×6+8×5+9×3+10×2):23=
(4+10+24+42+40+27+20):23=
167:23=7,26
c)p/100 × 167=42
p=25,14
d) 100/100......23 elevi
p/100...........22 elevi
p=22×100/23
p=95,65
