Question

aflati valoarea expresiei
20,9-5,5/11.,19/40/1,6+2,8

Answer 1

$20,9- \frac{5,5}{11} * \frac{19 }{40} :1,6+2,8=20,9-0,5*0,475:1,6+2,8=20,9+$$0,2375:1,6+2,8=20,9+0,1484375+2,8=21,0484375+2,8=$$23,8484375.$