1)2.5*800 000=2 000 000 см = 20км
2) (46/40)*100=115 деталей
3) 1200*1.2=1440
1440*0.8=1152
1200/1152=1.04. На 4%
4) 1.5 6.9 4 0.0025 50 0.9
5) 2100+900=3000
2100*0.24=504г
504+900=1404 1404/3000=0.47 47%
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Answers & Comments
1)2.5*800 000=2 000 000 см = 20км
2) (46/40)*100=115 деталей
3) 1200*1.2=1440
1440*0.8=1152
1200/1152=1.04. На 4%
4) 1.5 6.9 4 0.0025 50 0.9
5) 2100+900=3000
2100*0.24=504г
504+900=1404 1404/3000=0.47 47%