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Question 1 of 6
1
of 6
Use your understanding of constant difference to work out which of the equations in the sequence is incorrect.
Select one answer
56 − 16 = 57 − 17
55 − 15 = 58 − 18
54 − 14 = 59 − 19
53 − 13 = 60 − 20
52 − 12 = 61 − 19
What is the difference in most of these expressions? Look at the pattern of increase and decrease. What is happening?
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