B)
Barbariss )
Решите примеры: 5/6 + 7/12; 7 13/6 - 6 3/4; 6 3/10 - 11/15; 17/18 - 5/9; 13 3/5 - 3 14/15; 6 - 5 5/8; 5 1/2 + 2 3/8
Помогите люди добрые
Помогите люди добрые
5/6+7/12=10/12+7/12=17/12=1 5/12
7 13/6-6 3/4=1 13/6-3/4=19/6-3/4=38/12-9/12=29/12=2 5/12
6 3/10-11/15=63/10-11/15=189/30-22/30=167/30=5 17/30
17/18-5/9=17/18-10/18=7/18
13 3/5 - 3 14/15= 10 3/5-14/15=53/5 - 14/15= 159/15-14/15=145/15=29/3=9 2/3
6 - 5 5/8= 1 - 5/8=8/8-5/8=3/8
5 1/2+2 3/8= 11/2+19/8=44/8+19/8=63/8=7 7/8