решить 200*0,05*1,05+m2(cuso4)=0,15*(200*1,05+m2(cuso4 )

200*0,05*1,05 + m2(CuSO₄)=0,15*(200*1,05+m2(CuSO₄)10,5 + m2(CuSO₄)=0,15*(210+m2(CuSO₄)10,5+m2(CuSO4)=31,5 + 0,15m2(CuSO₄)0,85m2(CuSO₄)=21m2(CuSO₄)≈24,7