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Mathematics
Pasha
7 January, 04:56
3 - (-18)
1.-21
2.-15
3.15
4.21
+3
Answers (
1
)
Jocelynn Ayers
7 January, 07:08
0
Use KCC (keep, change, change)
keep the 3
change the - to +
and change the - 18 to 18
so its 3+18=21
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