22-09-2017
Mathematics

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PLS HELP!!!!
The number line model may be used to simplify which of the following?

A. –1 + 2 = –1

B. –1 + 2 = –3

C. –1 + 2 = 3

D. –1 + 2 = 1

PLS HELP The number line model may be used to simplify which of the following A 1 2 1 B 1 2 3 C 1 2 3 D 1 2 1 class=

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Аноним Аноним

22-09-2017

The answer is D. –1 + 2 = 1

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