Question

Oblicz.
4 1/5 : 1,4 + 2 2/3 * 3 3/4

Answer 1

4 i 1/5 : 1,4 + 2 i 2/3 * 3 i 3/4=

= 21/5 : 1 i 4/10 + 8/3 * 15/4 = (skracam 8 z 4 oraz 3 z 15)

= 21/5 : 14/10 + 2/1 * 5/1=

= 21/5 * 10/14 + 10/1=  (skracam 21 z 14 oraz 5 z 10)

= 3/1 * 2/2 + 10=

= 3 * 1 + 10 =

= 3 + 10 =

= 13

Answer 2

4 1/5 : 1,4 + 2 2/3 * 3 3/4 = 21/5 : 7/5 + 8/3 * 15/4 = 21/5 * 5/7 + 2/1 * 5/1 =
= 3/1 * 1/1 + 10 = 3 + 10 = 13