下列各题如何用简便算法计算(小学五年级)
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下列各题如何用简便算法计算(小学五年级)
4.06X55X27
3.572÷0.47X1.25
9.52÷0.28÷0.17
4.72X0.32÷0.16
4.06X55X27
3.572÷0.47X1.25
9.52÷0.28÷0.17
4.72X0.32÷0.16
![下列各题如何用简便算法计算(小学五年级)](/uploads/image/z/4530053-29-3.jpg?t=%E4%B8%8B%E5%88%97%E5%90%84%E9%A2%98%E5%A6%82%E4%BD%95%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E8%AE%A1%E7%AE%97%EF%BC%88%E5%B0%8F%E5%AD%A6%E4%BA%94%E5%B9%B4%E7%BA%A7%EF%BC%89)
4.06X55X27
=20.3×(11×27)
=20.3×297
=20.3×(300-3)
=20.3×300-20.3×3
=6090-60.9
=6029.1
3.572÷0.47X1.25
=0.893÷0.47×(1.25×4)
=1.9×5
=9.5
9.52÷0.28÷0.17
=95200÷28÷17
=3400×17
=57800
4.72X0.32÷0.16
=4.72×(0.32÷0.16)
=4.72×2
=9.44
=20.3×(11×27)
=20.3×297
=20.3×(300-3)
=20.3×300-20.3×3
=6090-60.9
=6029.1
3.572÷0.47X1.25
=0.893÷0.47×(1.25×4)
=1.9×5
=9.5
9.52÷0.28÷0.17
=95200÷28÷17
=3400×17
=57800
4.72X0.32÷0.16
=4.72×(0.32÷0.16)
=4.72×2
=9.44