а
Mn= 55/(55+16*2)*100%= 55/87*100%= 63,2%
b
Mn=(55*2)/(55*2+16*7)*100%=110/222*100%=49,5%
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а
Mn= 55/(55+16*2)*100%= 55/87*100%= 63,2%
b
Mn=(55*2)/(55*2+16*7)*100%=110/222*100%=49,5%