Bài 2 :
\(\left(32\times24\right)\div4\)
\(C1:\left(32\times24\right)\div4\) \(C2:\left(32\times24\right)\div4\) \(C3:\left(32\times24\right)\div4\)
\(=768\div4\) \(=\left(32\div4\right)\times24\) \(=32\times\left(24\div4\right)\)
\(=192\) \(=8\times24=192\) \(=32\times6=192\)
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