R. 451.591 + gal

. Contenu de A, (30 — 22) x 0.65 = 5.20 ; 22 + 5.20— 27.3;

(27.233 x 40 x 0.003i = KR. 100.6182 + gal.

Contenu de B, (30 — 25) x 0.60 — 3; 25 + 3 28; (28)? x 40 x 0.0034 = R. 106.624 gal.

Contenu de C, (32— 24) x 0.70 me 5.60 ; 24 + 65.60 == 29.60 ; (29.632 x 44 x 0.0034 = R. 131.0735 + gal.

Contenu de D, (24 — 21) x 0.55 = 1.05; 21 + 1.65 ms 22.66; (22.65)2 x 36 x 0.0034= KR 62.7939.+ 'gal,