Ответ:
6,7•(х + 4,1 ) = 31,49.
6.7x+27. 47=31.49
6.7x=31.49-27.47
6.7x=4.02
x= 0.6
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Ответ:
6,7•(х + 4,1 ) = 31,49.
6.7x+27. 47=31.49
6.7x=31.49-27.47
6.7x=4.02
x= 0.6