Page 112 - NUMINO Challenge_C1
P. 112
3 The code key below is used to decode an equation. Decode the
following expression and evaluate it.
Code Key
123
456
789
4
4 The codes below follow a certain rule.
(3, 1) (3, 5) (4, 3) (1, 5) (1, 1) KOREA
(2, 5) (1, 1) (4, 1) (1, 1) (3, 4) JAPAN
Decode (2, 1) (4, 3) (1, 1) (3, 4) (1, 3) (1, 5).
109Rules and Numbers
following expression and evaluate it.
Code Key
123
456
789
4
4 The codes below follow a certain rule.
(3, 1) (3, 5) (4, 3) (1, 5) (1, 1) KOREA
(2, 5) (1, 1) (4, 1) (1, 1) (3, 4) JAPAN
Decode (2, 1) (4, 3) (1, 1) (3, 4) (1, 3) (1, 5).
109Rules and Numbers