Mathematics
Junior High
Resolved
この問題を教えていただけますか
、 2 次の計算をしなさい。
(① (+8)+(-5) (2) (-12)+(+7)
(3) (-19)+(+11) 4) (+18)+(-18)
(5) (-41)+(+25) (⑥) (+40)+(-27)
(⑦) (-12+(+31) (8⑱) (-82)+(+55)
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