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125x14x4x8x25x5x20这道题怎样简便计算?求答案急急

原式=(125x8)x(4x25)x(5x20)x14 =1000x100x100x14 =10000000x14 =140000000

125x14x4x8x25x5x20 =125x8x4x25x5x20x14 =(125x8)x(4x25)x(5x20)x14 =1000x100x100x14 =140000000

14(125x8)x(4x25)x(5x20) =14x1000x100x100 =140000000

125x14x4x8x25x5x20 =(125×8)x14x(4x25)x(5x20) =1000×14×100×100 =140000000

125x14x4x8x25x5x2o =125x8x5x20x25x4x14 =1000x100x100x14 =140000000...

265252859812191058636308480000000

http://baike.baidu.com/view/245476.htm 百度直接搜索“251就有结果了 1.5511210043331 * 10 ^25

35x4x25x20 =(35×20)×(4×25) =700×100 =70000

5X125X20X25X32

1. 14x99+14 =14×(99+1) =140 2. 25x32 =25×4×8 =100×8 =800 3. 40x25x35x20 =40×25×700 =1000×700 =700000

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