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Skilled2020-11-02Added 99 answers
c) A division fact of a÷b=c is equivalent to the division fact a÷c=b.
Therefore −8.58÷◻=3.9 is equivalent to the division fact −8.58÷3.9=□◻.
Since −8.58÷3.9=−2.2, then −8.58÷−2.2=3.9.
d) A multiplication fact of a×b=ca×b=c is equivalent to the division fact b=c÷a.
Therefore −3.2×◻=24 is equivalent to the division fact ◻=24÷(−3.2)◻.
Since 24÷(−3.2)=−7.524÷(−3.2)=−7.5, then −3.2×−7.5=24.
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