
5.94×(162.4 2.5)怎么算简便
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5.94×(162.4×2.5)
=5.94×40.6× (4×2.5)
=5.94×40.6×10
=59.4×40.6
=(60-0.6)(40+0.6)
=2400+(36-24)-0.36
=2412-0.4+0.04
=2411.64
=5.94×40.6× (4×2.5)
=5.94×40.6×10
=59.4×40.6
=(60-0.6)(40+0.6)
=2400+(36-24)-0.36
=2412-0.4+0.04
=2411.64
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