darkangelba01owwsui darkangelba01owwsui

11-09-2019
Physics

contestada

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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HumgKongMan HumgKongMan

11-09-2019

The answer should be B

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