Предмет: Математика, автор: альфира64

вычисли (например:5/7это дроби) 3/10+4/10; 13/40-8/40; 11/15+3/15; 9/10-(3/10+5/10); (6/11+1/11)-4/11; 6/13+(6/13-2/13)

Ответы

Автор ответа: lenamatveevaaa

710 ; 540=18 ; 1415 ; 110 ; 311 ; 1013.

Автор ответа: zaykova

1) 7/10
2) 1/8
3) 14/15
4) 3/11
4) 10/13

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