Mathematics
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合ってますか?

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✨ Best Answer ✨

2.
(1) 7+(-4)=7-4
=3
(2)(-3)+(-8)=-3-8
=-11

3.
(1)5-(-4)=5+4
=9
(2)12-(+16)=12-16
=-4
(3)-3+(-8)=-3-8
=-11

だと思うんですけど…。
間違っていたらすいません|д゚)

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