分解因式181^2-61^2/301^2-181^2求求高手了(181^2-61^2)/(301^2-181^2)\x09拜托各位大神

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分解因式181^2-61^2/301^2-181^2求求高手了(181^2-61^2)/(301^2-181^2)\x09拜托各位大神
分解因式181^2-61^2/301^2-181^2求求高手了
(181^2-61^2)/(301^2-181^2)\x09拜托各位大神

分解因式181^2-61^2/301^2-181^2求求高手了(181^2-61^2)/(301^2-181^2)\x09拜托各位大神
(181^2-61^2)/(301^2-181^2) =(181+61)(181-61)/(301+181)(301-181)=242*120/482*120=242/482=121/241