140 326 : 394=? 307 749 : 453=? 175 462 : 547=? 678 345 : 763=?
1.140,326÷394 =356.1573604061 2.307,749÷453 =679.357615894 3.175,462÷547 =320.7714808044 4.678,345÷763 =889.0498034076
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