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4 2 1 − 1 3 1 − 3 6 1 = ....

$4 \frac{1}{2} - 1 \frac{1}{3} - 3 \frac{1}{6} =$ ....

M. Robo

Master Teacher

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$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 4 1 half minus 1 1 third minus 3 1 over 6 end cell equals cell open parentheses 4 minus 1 minus 3 close parentheses plus open parentheses 1 half minus 1 third minus 1 over 6 close parentheses end cell row blank equals cell 0 plus open parentheses fraction numerator 1 cross times 3 over denominator 2 cross times 3 end fraction minus fraction numerator 1 cross times 2 over denominator 3 cross times 2 end fraction minus 1 over 6 close parentheses end cell row blank equals cell 3 over 6 minus 2 over 6 minus 1 over 6 end cell row blank equals cell fraction numerator 3 minus 2 minus 1 over denominator 6 end fraction end cell row blank equals 0 end table end style$