(566x345+567)/(567x345+222)怎么简算

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566x345+567=566x345+345+222=345x(566+1)+222=567x345+222所以原式=1...

千问 | 2012-4-2 20:33:32 | 显示全部楼层

令a=567b=345c=222那么上式就简化为：【（a-1）b+a】/（ab+c）=【ab+（a-b）】/（ab+c）=（ab+c）/（ab+c）=1...

千问 | 2012-4-2 20:33:32 | 显示全部楼层

(566x345+567)/(567x345+222)=(566x345+567)/(566x345+345+222)=(566x345+567)/(566x345+567)=1...

千问 | 2012-4-2 20:33:32 | 显示全部楼层

(566x345+567)/(567x345+222)=(566x345+345+222)/(567x345+222)=[345x(566+1)+222]/(567x345+222)=(567x345+222)/(567x345+222)=1...

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