A=(1.2.3.4......2020) – (1.2.3.4......2019) – (1.2.3.4......2018. 20192 )
2 câu trả lời
`#Lâm`
`A= (1.2.3.4.....2020) - (1.2.3.4.....2019) - (1.2.3.4.....2018.2019)^2`
`A= 1.2.3.4.....2019(2020 - 1 - 2019)`
`A= 1.2.3.4.....2019.0`
`A= 0`
A= (1.2.3.4.....2020) - (1.2.3.4.....2019) - (1.2.3.4.....2018.2019)^2
A= 1.2.3.4.....2019(2020 - 1 - 2019)
A= 1.2.3.4.....2019.0
A= 0
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