25X37X472X125简便计算?
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25X37X472X125
=25x37x4x118x125
=(25x4)x37x(110+8)x125
=100x37x110x125+100x37x8x125
=3700x4070+3700x1000
=3700x(4070+10000)
=3700x5070
=18759000。
=25x37x4x118x125
=(25x4)x37x(110+8)x125
=100x37x110x125+100x37x8x125
=3700x4070+3700x1000
=3700x(4070+10000)
=3700x5070
=18759000。
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