👤

3/4 + 4/21 x 42/4 Rezolvare pls

Răspuns :

3 / 4 + 4 / 21 × 42 / 4

= 3 / 4 + 2

= 3 / 4 + 8 / 4

= 11 / 4


[tex]\it \dfrac{3}{4}+\dfrac{4}{21}\cdot\dfrac{42}{4}=\dfrac{3}{4}+\dfrac{4\cdot21\cdot2}{21\cdot4}=\dfrac{3}{4}+\dfrac{4\cdot2}{4}=\dfrac{3}{4}+\dfrac{8}{4}=\dfrac{11}{4}=2\dfrac{3}{4}[/tex]