333387又2分之1×79+790×66661又4分之1
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333387又2分之1×79+790×66661又4分之1
=(333387+1/2)×79+790×(66661+1/4)
=(333387+1/2)×79+79×(66661×10+10×1/4)
=(333387+1/2)×79+79×(666610+2+1/2)
=(333387+1/2)×79+79×(666612+1/2)
=(333387+1/2+666612+1/2)×79
=(333387+666613)×79
=1000000×79
=79000000
=(333387+1/2)×79+790×(66661+1/4)
=(333387+1/2)×79+79×(66661×10+10×1/4)
=(333387+1/2)×79+79×(666610+2+1/2)
=(333387+1/2)×79+79×(666612+1/2)
=(333387+1/2+666612+1/2)×79
=(333387+666613)×79
=1000000×79
=79000000
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2012-11-04
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333387又2分之1×79+790×66661又4分之1
=333387.5×79+790×66661.25
=333387.5×79+79×666612.5
=(333387.5+666612.5)×79
=1000000×79
=79000000
=333387.5×79+790×66661.25
=333387.5×79+79×666612.5
=(333387.5+666612.5)×79
=1000000×79
=79000000
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