Question

Знайти значення виразу 4 2/5(2 7/10+3 3/5)

Answer 1

4 2/5 * (2 7/10 + 3 3/5) =

= 4 2/5 * (2 7/10 + 3 6/10) =

= 4 2/5 * 5 13/10 =

= 4 2/5 * 6 3/10 =

= 22/5 * 63/10 =

= 693/25 = 27 18/25