Question

Calculati si scrieti rezultatul sub forma de fractie ireductibila:
a) 6 intregi 1 supra 7 * 2,(3) * 9 supra 43
b) 16 intregi 9 supra 32 * 0,(16)
c) 1,1 (6) 48 supra 49 * 2 intregi 1 supra 3

Answer 1

a) 6 intregi 1/7 ×2,(3) × 9/43= 43/7 ×(23-2)/9 × 9/43=21/7=3

b) 16 intregi 9/32 ×0,(16)=521/32 ×16/99=521/198=2,6(31)

c) 1,1 (6) ×48/49 ×2 intregi 1/3 =(116-11)/90×48/49 ×7/3=105/90×16/7=
=16/6=8/3