Expression 3: 0.5 times 1.7 3 2 0 5 0 8 times absolute value left parenthesis, "x" , right parenthesis positive 0.5 times "y" equals 0.20.5·1.7320508·absx+0.5·y=0.2
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Expression 4: 0.5 times 1.7 3 2 0 5 0 8 times absolute value left parenthesis, "x" , right parenthesis positive 0.5 times absolute value left parenthesis, "y" , right parenthesis equals 0.20.5·1.7320508·absx+0.5·absy=0.2
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Expression 5: max left parenthesis, 0.5 times 1.7 3 2 0 5 0 8 times abs left parenthesis, "x" , right parenthesis positive 0.5 times abs left parenthesis, "y" , right parenthesis , abs left parenthesis, "y" , right parenthesis , right parenthesis equals 0.2max0.5·1.7320508·absx+0.5·absy,absy=0.2