use the sign or =.(iii).(-3)+7-(-18) _____ 18-9+(-6)
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Answered by
6
Answer:
-11
refer the attachment hope it will help
Answered by
23
Answer:
In , chemistry an element is a pure substance consisting only of atoms that all have the same number of protons in their atomic nuclei.
Sorry, but I don't understand the question .
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