preannaaguilar
preannaaguilar
03-11-2020
Mathematics
contestada
-1+3(-3^2)-2(-1^3) please help me.
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devshreeneelam5599
devshreeneelam5599
03-11-2020
- 1 + 3 (-3²)-2(-1³)
2×9-2×-1
18+2
20
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