[tex]\bigg(-\dfrac{16}{21} \bigg)\cdot\bigg(+1\dfrac{3}{32} \bigg) - \bigg(-\dfrac{26}{45} \bigg)\cdot\bigg(+\dfrac{10}{13} \bigg) = \\[/tex]
[tex]= \bigg(-\dfrac{16}{21} \cdot \dfrac{32+3}{32} \bigg) - \bigg(-\dfrac{26 \cdot 10^{(13} }{45 \cdot 13} \bigg) = \bigg(-\dfrac{16 \cdot 35^{(16} }{21 \cdot 32} \bigg) - \bigg(-\dfrac{2 \cdot 10^{(5} }{45} \bigg)[/tex]
[tex]= \bigg(-\dfrac{35^{(7} }{21 \cdot 2} \bigg) - \bigg(-\dfrac{2 \cdot 2}{9} \bigg) = \bigg(-\dfrac{5}{3 \cdot 2} \bigg) - \bigg(-\dfrac{4}{9} \bigg) = \bigg(-\dfrac{5}{6} \bigg) - \bigg(-\dfrac{4}{9} \bigg) \\[/tex]
[tex]= -\dfrac{^{3)} 5}{6} + \dfrac{^{2)}4}{9} = -\dfrac{15}{18} + \dfrac{8}{18} = -\dfrac{15-8}{18} = \boxed{ \bf-\dfrac{7}{18}}\\[/tex]
Show life that you have a thousand reasons to smile
© Copyright 2024 DOKU.TIPS - All rights reserved.
[tex]\bigg(-\dfrac{16}{21} \bigg)\cdot\bigg(+1\dfrac{3}{32} \bigg) - \bigg(-\dfrac{26}{45} \bigg)\cdot\bigg(+\dfrac{10}{13} \bigg) = \\[/tex]
[tex]= \bigg(-\dfrac{16}{21} \cdot \dfrac{32+3}{32} \bigg) - \bigg(-\dfrac{26 \cdot 10^{(13} }{45 \cdot 13} \bigg) = \bigg(-\dfrac{16 \cdot 35^{(16} }{21 \cdot 32} \bigg) - \bigg(-\dfrac{2 \cdot 10^{(5} }{45} \bigg)[/tex]
[tex]= \bigg(-\dfrac{35^{(7} }{21 \cdot 2} \bigg) - \bigg(-\dfrac{2 \cdot 2}{9} \bigg) = \bigg(-\dfrac{5}{3 \cdot 2} \bigg) - \bigg(-\dfrac{4}{9} \bigg) = \bigg(-\dfrac{5}{6} \bigg) - \bigg(-\dfrac{4}{9} \bigg) \\[/tex]
[tex]= -\dfrac{^{3)} 5}{6} + \dfrac{^{2)}4}{9} = -\dfrac{15}{18} + \dfrac{8}{18} = -\dfrac{15-8}{18} = \boxed{ \bf-\dfrac{7}{18}}\\[/tex]