R. 2.46 toises, x 8 == R. 32 verges cubes

PROBLÈME XI,— EXEROICES (p. 310).

20 /(162—6%)= R. 15.198 v.; 3° Y (202—67)= R. 19.078 v., 4° (242103) R 21.817 v.; 60 /(502—152)% BR. 47.696 v. 1044 + 47)= R. 6.403 pi.; 2° (14 + 33)= LR. 7.615 pi. ; 80 V(B3 + 47) = Re 8.944 pi. ; 40 Y(103+ 627) = R 11,661 pi. ; 5° (207 + 122) = R 23.823 pieds.

10 /(63— 62) R. 3.M6 ver. ; 20 /(01— 613 R. 6.704 ver. ; 30 (103 — 72% em R. 7.141 vi, 5 40 (125 — 83) R. 8.044 v.; 50 /(209 — 10%) = R 17320 us

(6.25 x 4.50) + 2 = KR, 14.0625 ver. car.