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125x35x15的简便计算

125*35*16=125*35*4*4=500*140=70000

125x48x15=125x8x6x15=(125x8)x(6x15)=1000x90=90000

125x17x16=125x8 x2 x17=1000 x34=34000 希望我的回答对您有帮助,有问题可以追问.满意请及时采纳,谢谢!

125*16=125*8*2=1000*2=2000

125x15x16=125x15x8x2=(125x8)x(15x2)=1000x30=30000

题目写错了吧?125x32x25=125x8x4x25=(125x8)x(4x25)=1000x100=100000

125x32x15=125*(8*4)*15=(125*8)*(4*15)=1000*60=60000

125x16x5的简便运算计算=125x(8x2)x5=125x8x(2x5)=1000x10=10000 祝天天向上.

125x327=125x320+125x7=125x8x40+125x8-125x1=1000x40+1000-125=40000+875=40875

125x99x16+125x16 =125x8x2x99+125x8x2 =1000x2x99+1000x2 =2000x99+2000 =2000x(99+1) =2000x100 =200000

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