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1. (+9)+(+10)=
4. (+2)+(+8)=
6. (-3)+(-3)=
10. 0+(+9)=​


Sagot :

Answer:

unsure but,

90

16

9

9

Step-by-step explanation:

(9)10

(2)8

(-3)-3

0+9

could be, since magulo question due to unecessary plus signs