Вычислите: 3 3/7+14 3/7 6 5/13+7 3/13 2 3/5+6 1/5 7 11/22+5 7/22. Created by erikpaytyan. matematika-ru

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January 2022 1 36 Report

Вычислите:
3 3/7+14 3/7
6 5/13+7 3/13
2 3/5+6 1/5
7 11/22+5 7/22

Answers & Comments

nikitabednykh 3 3/7+14 3/7=(3+14)+(3/7+3/7)=17+6/7=17 6/7.
6 5/13+7 3/13=(6+7)+(5/13+3/13)=13+8/13=13 8/13.
2 3/5+6 1/5=(2+6)+(3/5+1/5)=8+4/5=8 4/5.
7 11/22+5 7/22=(7+5)+(11/22+7/22)=12+18/22= 12 18/22=12 9/11.

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