3a+(-8a+2)-(3a-4)等于?

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3a+(-8a+2)-(3a-4)等于?
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3a+(-8a+2)-(3a-4)等于?
3a+(-8a+2)-(3a-4)等于?

3a+(-8a+2)-(3a-4)等于?

6-8@

3a-8a+2-3a+4
=6-8a

=3a-8a+2-3a+4
=-8a+6

3a-8a+2-3a+4
-5a+2-3a+4
-8a+6
6-8a
望采纳

3a+(-8+2)-(3a-4)
=3a-8a+2-3a+4
=6-8a

3a+(-8a+2)-(3a-4)
=3a-8a+2-3a+4
=-8a+6

3a-8a+2-3a+4=—5a+2—3a+4=—8a+6