Вычислите рациональным способом:
21.9*78,1+21,9в2
21.9*78.1+21.9^2=21.9(78.1+21.9)=21.9*100=2190
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21.9*78.1+21.9^2=21.9(78.1+21.9)=21.9*100=2190