Помогите плиз! 1/3+1/6,1/4+5/12,2/5+3/10.
1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2; 1/4+5/12=3/12+5/12=8/12=3/4; 2/5+3/10=4/10+3/10=7/10.