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-23 + 8
-9
2
-1
8
-5
-6.5 + (-0.5)
-7
7
6
-6
When adding rational numbers with the same sign, you must:
Subtract and keep the sign of the biggest number
Add together and keep the sign
Keep, change, switch
Add the opposite
-4.7 + 18.5
23.2
13.8
-13.8
-23.2
What is the value of (-4) + 8 - 5 ?
1
−28+(−8)=
36
−36
−20
20
-9 + (-5)
-14
14
-4
-5.7 + 0.9
2.1
-4.8
-8.3
-10.7
−0.15 − (−0.15) =
-0.30
0.30
2.25
0
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10 questions
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