Question

aflaţi valoarea expresiei: 4 1/5 × 2 1/2 ÷ 3/4​

Answer 1

Răspuns: 14

4 1/5 × 2 1/2 ÷ 3/4​ = ?

21/5 x 5/2 : 3/4

21/2 x 4/3

7 x 2

14

Answer 2

$\it 4\dfrac{1}{5}\cdot2\dfrac{1}{2}:\dfrac{3}{4}=\dfrac{21}{5}\cdot\dfrac{5}{2}\cdot\dfrac{4}{3}=\dfrac{420}{30}=\dfrac{42}{3}=14$