Помогите решить домашку !!!!!!! 1) 1/2+1/2+1/2; 2) 7/3+7/3+7/3+7/3; 3) 1/3+1/3+1/3+1/3+1/3; 4)2/5+2/5+2/5+2/5+2/5+2/5.
1) 1/2+1/2+1/2=3/2=1 1/2 2) 7/3+7/3+7/3+7/3=28/3=9 1/3 3) 1/3+1/3+1/3+1/3+1/3=5/3 = 1 2/3 4) 2/5+2/5+2/5+2/5+2/5+2/5=12/5=2 2/5