Даю 25 баллов !1!1! Решите 5 примеров
Прости за почерк
Надеюсь, понятно
( 3 3/4 - 0,6 ) ÷ 3/10 = 3 3/20 ÷ 3/10 = 10 1/2 ;
( 5 6/7 - 5 ) ÷ 3/7 = 6/7 ÷ 3/7 = 2 ;
( 13/24 - 5/12 ) ÷ 3/10 = 1/8 ÷ 3/10 = 5/12 ;
( 5/7 - 7/21 ) ÷ 3/7 = 8/21 ÷ 3/7 = 8/9 ;
( 3/7 + 2/3 - 11/21 ) × 21 = ( 1 2/21 - 11/21 ) × 21 = 4/7 × 21 = 12 ;