Question

(2 i 2/3 + 4,5) * ( 5 i 1/10 - 3.9 ) =? Prosze o szybkie rzw daje naj!

Answer 1

(2 2/3+4,5)*(5 1/10-3,9)=
(2 2/3+4 1/2)*(5 1/10-3 9/10)=
(2 4/6+4 3/6)*(1 1/5)=
6 7/6 * 6/5=
43/6 * 6/5=
43/5=
8 3/5

Answer 2

(2 2/3+4,5)*(5 1/10-3,9)= (2 2/3+4 1/2)*(5 1/10 - 3 9/10)= (2 4/6+4 3/6)*(4 11/10-3 9/10)= 7 1/6 * 1 1/5 = 43/6*6/5=8 3/5