Question

Помогите пожалуйста

√3 1/3 · √1,2

1/3-это дробь

Answer 1

1/3-1/5 = ( 1 * 5 ) / (3 * 5) - ( 1 * 3 ) / (5 * 3) = 5/15 - 3/15 = 2/15 

1/3-1/6 = ( 1 * 2 ) / (3 * 2) - 1 / 6 = 2/6 - 1/6 = 1/6 

1/4-1/7 = ( 1 * 7 ) / ( 4 * 7) - (1 * 4 ) / ( 7 * 4 ) = 7/28 - 4/28 = 3/28 
понятно 6 или 7 класс!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!