ВЫПОЛНИТЕ ВЫЧИТАНИЯ: ( / ---это дробь!! )
5-2/7=
13-7/10=
1-2/5=
3-1/3=
7-3/4=
7-3 целых 7/9=
7-5 целых 4/10=
1-20/30=
1-2/7=
5-2/7=
13-7/10=
1-2/5=
3-1/3=
7-3/4=
7-3 целых 7/9=
7-5 целых 4/10=
1-20/30=
1-2/7=
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Answers & Comments
13-7/10=(130-7)/10=123/10=12 3/10
1-2/5=(5-2)/5=3/7
3-1/3=(9-1)/3=8/3=2 2/3
7-3/4=(28-3)/4=25/4=6 1/4
7-3 целых 7/9=7-34/9=(63-34)/9=29/9=3 2/9
7-5 целых 4/10=7-54/10=(70-54)/10=16/10=1 6/10=1 3/5
1-20/30=(30-20)/30=10/30=1/3
1-2/7=(7-2)/7=5/7