计算:(531/135+579/357+753/975)x(579/357+753/975+135/531)-(531/135+579/357+753/975+135/531)x(579/357+753/975)
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![计算:(531/135+579/357+753/975)x(579/357+753/975+135/531)-(531/135+579/357+753/975+135/531)x(579/357+753/975)](/uploads/image/z/6665876-44-6.jpg?t=%E8%AE%A1%E7%AE%97%3A%EF%BC%88531%2F135%2B579%2F357%2B753%2F975%EF%BC%89x%28579%2F357%2B753%2F975%2B135%2F531%29-%28531%2F135%2B579%2F357%2B753%2F975%2B135%2F531%29x%28579%2F357%2B753%2F975%29)
计算:(531/135+579/357+753/975)x(579/357+753/975+135/531)-(531/135+579/357+753/975+135/531)x(579/357+753/975)
计算:(531/135+579/357+753/975)x(579/357+753/975+135/531)-(531/135+579/357+753/975+135/531)x(579/357+753/975)
计算:(531/135+579/357+753/975)x(579/357+753/975+135/531)-(531/135+579/357+753/975+135/531)x(579/357+753/975)
(531/135+579/357+753/975)*(579/357+753/975+135/531)-(531/135
+579/357+753/975+135/531)*(579/357+753/975)=(531/135+579/357+753/975)*(579/357+753/975+135/531)-(531/135
+579/357+753/975)*(579/357+753/975)-135/531*(579/357+753/975)=(531/135+579/357+753/975)*(579/357+753/975+135/531-579/357-753/975)-135/531*(579/357+753/975)=(531/135+579/357+753/975)*135/531-135/531*(579/357+753/975)=135/531*(531/135+579/357+753/975-579/357-753/975)=135/531*531/135=1
令a=579/357+753/975,原式=(a+531/135)*(135/531+a)-a*(a+531/135+135/531)=a2+a*(531/135+135/531)+1-a2-a*(531/135+135/531)=1
(531/135+579/357+753/975)*(579/357+753/975+135/531)-(531/135
+579/357+753/975+135/531)*(579/357+753/975)=(531/135+579/357+753/975)*(579/357+753/975+135/531)-(531/135
+579/357+753/975)*(579/3...
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(531/135+579/357+753/975)*(579/357+753/975+135/531)-(531/135
+579/357+753/975+135/531)*(579/357+753/975)=(531/135+579/357+753/975)*(579/357+753/975+135/531)-(531/135
+579/357+753/975)*(579/357+753/975)-135/531*(579/357+753/975)=(531/135+579/357+753/975)*(579/357+753/975+135/531-579/357-753/975)-135/531*(579/357+753/975)=(531/135+579/357+753/975)*135/531-135/531*(579/357+753/975)=135/531*(531/135+579/357+753/975-579/357-753/975)=135/531*531/135=1
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