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6 September, 16:39

Lesson Check

1. Use comparative relational thinking to

choose which equation is true.

a. 56 + 42 = 63 + 49

b. 87 + 55 = 91 + 51

c. 61 - 37 = 57 - 41

d. 77 - 39 = 85 - 31 V

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Answers (1)
  1. 6 September, 18:31
    0
    The answer should be B
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