Предмет: Математика, автор: anisja21

решить задачу-в сборнике 15 сказок .В пяти из них царевич ищет Жар -птицу, в трех -Царь -девицу.а в остальных-Марью-искусницу.Сколько в этом сборнике сказок,в которых царевич ищет Марью -искусницу?

Ответы

Автор ответа: Gymli

Сказки про Марью-искусницу - x
x = 15 - (5 + 3) = 15 - 8 = 7
Ответ: в сборнике 7 сказок про Марью-искусницу.

Автор ответа: 150620031

1) 5+3=8 (ск.)
2) 15-8=7 (ск.)
Ответ: в 7 сказках.

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