AkariI382162 AkariI382162
  • 28-10-2022
  • Mathematics
contestada

1.2 +5 = 2. 5 + (-7)= 3 -2 + 6 = 4. -3 + (-5)= 5. 2 + 4 =

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NoxP786030 NoxP786030
  • 28-10-2022

Method 1

1. 2 + 5 = 7

2. 5 + (-7) = 5 - 7 = -2

3. -2 + 6 = 6 - 2 = 4

4. -3 + (-5) = - 3 - 5 = -8

5. 2 + 4 = 6

Method 2

Use number line

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