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Автор - vagapova0134

найти значение выражений a-18 и а+24 при а=20,а=38,а=42,а=56

Ответ

Автор - Pabloo841
24-18=6
38-18=20
42-18=24
56-18=38


20+24=44
38+24=62
42+24=66
46+24=70

Ответ

Автор - irinamerkel
20-18=2
20+24=44

38-18=20
38+24=62

42-18=24
42=24=66

56-18=38
56+24=80

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