\(1×2×3×4×5×6\)
\(=6×20×6\)
\(=120×6\)
\(=720\)
\(1\times2\times3\times4\times5\times6\)
\(=2\times3\times4\times5\times6\)
\(=6\times4\times5\times6\)
\(=24\times5\times6\)
\(=120\times6\)
\(=720\)
1×2×3×4×5×6=2×3×4×5×6=6×4×5×6=24×5×6×=120×6=720
1 x 2 x 3 x 4 x 5 x 6 = 6 x 20 x 6
= 120 x 6
= 720
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1 x 2 x 3 x 4 x 5 x 6
= 2 x 3 x 4 x 5 x 6
= 6 x 4 x 5 x 6
= 24 x 30
= 720
1 x 2 x 3 x 4 x 5 x 6
= 2 x 3 x 4 x 5 x 6
= 6 x 4 x 5 x 6
= 24 x 30
= 720