Question

7. Efectuaţi: a) c) 12 5 21 798 8 27 35 - 9 40 18 d) 36 7 14 49 4 27 b) e) 8 15 5 25 16 4 35 45 8 54 28 5 f) 35 16 6 64 15 7 LEVENEMENT

Va rog e urgent !!! Dau coroana ​

Answer 1

A. 4 x 5/3 x 3/8=5 x 1/2=5/2
B. Simplificam 8 cu 4 si 5 cu 25
=2/5 x 15/16=3/8
C. 3/5 x 35/18=7/6
D. 9/7 x 14/27 (simplificam in diagonala 9 cu 27 si 7 cu 14)
=2/3
E. 7/5 x 5/7 x 2=1/3 x 5=5/3
F.5/4 x 1/5 x 2=1/2