Question

Вычеслите (2 13-3 38)*4 45+2 49

Answer 1

(2 1/3-3 3/8)*4 4/5+2 4/9 = (7/3-27/8)*24/5+22/9 = (56-81)/24*24/5+22/9 = -25/24*24/5+22/9 = -5/1+22/9 = (-45+22)/9 = -23/9 = -2 5/9