Question

вычислите 7 3/10-2 4/15     4 5/8-2 1/3      5 3/4-2 4/5

Answer 1

 7 3/10-2 4/15 =73/10-34/15=  219/30-68/30=151/30=5 1/30
 
4 5/8-2 1/3   =  37/8-7/3=111/24-56/24=55/24= 2 7/24


5 3/4-2 4/5=5,75-2,8=2,95