125x14x4x8x25x5x20这道题怎样简便计算?
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125x14x4x8x25x5x20
=125x8x4x25x5x20x14
=(125x8)x(4x25)x(5x20)x14
=1000x100x100x14
=140000000
=125x8x4x25x5x20x14
=(125x8)x(4x25)x(5x20)x14
=1000x100x100x14
=140000000
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