Question

3. Calculati: a) 10%: (2.5)58; b) (714.5)?: 726, 4 Ffectuati c) (758: 4924 d) (349°: 1999 230-7.(512:32+ 3​

Answer 1

Răspuns:

a)

$\frac{10}{100} + 2.5 \times 58 = 145$

$\frac{10}{100} + 145$

$\frac{1451}{10}$

b)

$\frac{1492}{2} \div 726.4$

$\frac{1492}{2} \div\frac{3632}{5}$

$\frac{1492}{2} \times \frac{5}{3632}$

$\frac{7145}{7264}$

c)

$\frac{379}{2462}$

d)

$\frac{11061 }{4000}$