(3 1/3 + 5 1/6 ) • 2/5- 2 3/4 : (1 1/2 - 2/5 ) вычеслите

Question

(3 1/3 + 5 1/6 ) • 2/5- 2 3/4 : (1 1/2 - 2/5 ) вычеслите

Answer 1

(3 1/3 + 5 1/6 ) • 2/5- 2 3/4 : (1 1/2 - 2/5 ) =10/3+31/6)*2/5-11/4 /(3/2-2/5)=61/6 *2/5 -11/4 / 11/10=122/30 -10/4=244/60-150/60=94/60=47/30=1 17/30