Сколько будет: 100*100 -100:100*500
100*100-100/100*500=9500 100*100=10000 100/100=1*500=500 10000-500=9500
100*100-100:100*500=4.999.500
100*100=10.000 100:100=1 10.000-1=9.999 9.999*500=4.999.500
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