(567+345*566)/(567*345+222)+(876*655-321)/(555+876*654)

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(567+345*566)/(567*345+222)+(876*655-321)/(555+876*654)(567+345*566)/(567*345+222)+(876*655-321)/(55

(567+345*566)/(567*345+222)+(876*655-321)/(555+876*654)
(567+345*566)/(567*345+222)+(876*655-321)/(555+876*654)

(567+345*566)/(567*345+222)+(876*655-321)/(555+876*654)
567*345+222
=(566+1)*345+222
=566*345+345+222
=566*345+567
所以(567+345*566)/(567*345+222)=1
同样
655+876*654
=655+876*(655-1)
=876*655-321
所以(876*655-321)/(555+876*654)=1
所以=1+1=2

= 1