Răspuns :
1)
[tex] \frac{1}{2} ^{3 } + \frac{1}{3} ^{2} + \frac{1}{6 } = \frac{3}{6} + \frac{2}{6} + \frac{1}{6} = \frac{6}{6} ( \frac{1}{1} = \: deci \: rapuns \: c) [/tex]
Răspuns:
1.c 1
2.c 8
3.d 12
4.c 32
5.a 15
6.d 5
7. b 36 cm ²
8.d 4/3
9.b 9 cm