1) 4 15 = 4 (4 5) = 4 4 5 = 16 5 = 82) 6 25 = 6 (6 5) = 6 6 5 = 36 5 = 183) 5 16 = 5 (4 4) = 5 4 4 = 20 4 = 84) 5 24 = 5 (4 6) = 5 4 6 = 20 6 = 125) 8 28 = 8 (4 7) = 8 4 7 = 32 7 = 224
Итак, значения выражений: 80; 180; 80; 120; 224.
1) 4 15 = 4 (4 5) = 4 4 5 = 16 5 = 8
2) 6 25 = 6 (6 5) = 6 6 5 = 36 5 = 18
3) 5 16 = 5 (4 4) = 5 4 4 = 20 4 = 8
4) 5 24 = 5 (4 6) = 5 4 6 = 20 6 = 12
5) 8 28 = 8 (4 7) = 8 4 7 = 32 7 = 224
Итак, значения выражений: 80; 180; 80; 120; 224.