1. 1/2+2/3=3/6+4/6=7/6
Răspuns: punctul b.
2.25% din 800= 25/100×800=25×8=200
Răspuns: punctul a.
3.
[tex]2 \frac{1}{3} \times \frac{3}{7} = \frac{2 \times 3 + 1}{3} \times \frac{3}{7} = \frac{7}{3} \times \frac{3}{7} = 1[/tex]
Răspuns: b.
4.
[tex] \frac{8}{5} \div \frac{4}{10} = \frac{8}{5} \times \frac{10}{4} = \frac{80}{20} = 4[/tex]
Răspuns: c.
Coroana te rog
