September 2021 0 3 Report
Выполните сложение обыкновенных дробей: 2/5 + 1 /10=
5/6 +2/3 =
3/4+7/12=
2/15 +4/5=
5/7 + 3/14=
3/11+6/55=
1/6 +1/9=
1/10+1/15=
2/8+1/12=
1/9+1/2=
Спасибо, даю 20 баллов за срочность!
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