39. If each letter in the following calculation represents a single digit from 1 to 9, find the
value of the letters and verify your answer.
(4 marks)
CD
X D
119
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Answer:
i) CD= 12
ii) XD= 24
Step-by-step explanation:
i) C×D= 3×4 = 12
ii) X×D= 9+9+6 last number is 6 so answer = 6 × 4
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