正負の数の計算

Quiz
•
Mathematics
•
8th Grade
•
Hard
たけ ちゃん
Used 5+ times
FREE Resource
9 questions
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1.
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1 min • 1 pt
(+4)+(-3)
2.
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1 min • 1 pt
2つの正負の数の加法では,加えられる数と加える数を入れ替えても,和はかわらないことをなんというか
3.
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1 min • 1 pt
引き算のことを何という
4.
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1 min • 1 pt
(+7)-(-9)
5.
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1 min • 1 pt
(+2)×(+3)
6.
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1 min • 1 pt
2つの正負の数の乗法では,かけられる数とかける数をいれかえても,積はかわらないことをなんというか
7.
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1 min • 1 pt
(-54)÷(-9)
8.
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1 min • 1 pt
2つの数の積が1のとき,一方の数を他方の何というか
9.
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1 min • 1 pt
-15/4の逆数
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