3/4 + 2/3; 3/5-1/3; 3/4-3/2; 3/4 + 3/14(дроби)

Question

3/4 + 2/3; 3/5-1/3; 3/4-3/2; 3/4 + 3/14(дроби)

Answer 1

3/4 + 2/3 = 9/12 +8/12 = 17/12 =  1ц 5/12
 3/5-1/3 =  9/15 -5/15 = 4/15
 3/4-3/2 = 3/4 -6/4 = - 3/4
 3/4 + 3/14 =  21/28 +6/28 = 27/28

Comments

Спасибо.