Find the number of pairs of consecutive integers in the set {2000,2001,2002, ..., 3000} such that no carrying is required when the two integers are added.

hope it helps you see the attachment for further information

id say bottom left to top top left to bottom right and middle to middle

explanation:

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.