Math, asked by divya5239, 10 months ago

anssss please ,......​

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Answered by thiyagarajankr1956
1

Answer:

Four digit numbers

1111,2112,3123,3445,6544,7654,1453,9876,4321,3456,1670,3333,4444,5555,6666,7777,8888,9999,1986,9999,2020,........................................................................................................................................etc.

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