Question

$( \frac{1}{0.(2)} + \frac{1}{0.2} + \frac{1}{0.3(63)} ) \div \frac{49}{4}$
va rog am nevoie urgent! ​

Answer 1

(9/2 +10/2+990/360)×4/49=

(1620/360+1800/360+990/360)×4/49=

4410/360×4/49=90/90=1

Answer 2

Răspuns:

Explicație pas cu pas: