Toán Lớp 7: Tính:
-4/11 x -3/11 x . -2/11 x …. x 3/11 x 4/11
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Toán Lớp 7: Tính:
-4/11 x -3/11 x . -2/11 x …. x 3/11 x 4/11
Comments ( 2 )
=-4/11 xx -3/11 xx-2/11 xx 0 xx 3/11 xx 4/11
=0
\dfrac{{ – 4}}{{11}}.\dfrac{{ – 3}}{{11}}.\dfrac{{ – 2}}{{11}}…\dfrac{3}{{11}}.\dfrac{4}{{11}}\\
= \dfrac{{ – 4}}{{11}}.\dfrac{{ – 3}}{{11}}.\dfrac{{ – 2}}{{11}}.\dfrac{{ – 1}}{{11}}.0.\dfrac{1}{{11}}.\dfrac{2}{{11}}.\dfrac{3}{{11}}.\dfrac{4}{{11}}\\
= 0
\end{array}$