Identify the errors made by the learner and explain the errors and discuss possible reason why the errors were made
Find the answer: 56-17
Answer
17 +3 20
20+30=50
50+6=56
56-17=56
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Answer:
In first case equal to{=} sign is not inserted and in last case answer is written wrong. So the correct answer is 39. Both the centre cases are right
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