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

Răspuns :

Răspuns:

a)

[tex] \frac{10}{100} + 2.5 \times 58 = 145[/tex]

[tex] \frac{10}{100} + 145 [/tex]

[tex] \frac{1451}{10} [/tex]

b)

[tex] \frac{1492}{2} \div 726.4[/tex]

[tex] \frac{1492}{2} \div\frac{3632}{5} [/tex]

[tex] \frac{1492}{2} \times \frac{5}{3632} [/tex]

[tex] \frac{7145}{7264} [/tex]

c)

[tex] \frac{379}{2462} [/tex]

d)

[tex] \frac{11061 }{4000} [/tex]