'các bn vẽ ra dc khum'

các bn vẽ a dc khum

ae 2025 đâu rùi

ae 2025 đầu rồi !!!!!!!!!!!!!!

322+832+1542+....+20232-120232"" id="MathJax-Element-1-Frame" role="presentation" tabindex="0" style="box-sizing: inherit; display: inline-table; line-height: 0; font-size: 18.08px; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;">A=322+832+1542+....+20232−120232�=322+832+1542+....+20232-120232A=

1-122+1-132+1-142+....+1-120232"" id="MathJax-Element-2-Frame" role="presentation" tabindex="0" style="box-sizing: inherit; display: inline-block; line-height: 0; font-size: 18.08px; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;">A=1−122+1−132+1−1(2+....+1)120232�=1-122+1-132+1-142+....+1-1202321+12+13+...+122023−1

2022-(122+132+142+...+120232)"" id="MathJax-Element-3-Frame" role="presentation" tabindex="0" style="box-sizing: inherit; display: inline-block; line-height: 0; font-size: 18.08px; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;">A=2022−(122+132+142+...+120232)�=2022-(122+132+142+...+120232)A

122+132+142+.... <20232

ae 2025 đâu rồi

A=322+832+1542+....+20232−120232�=322+832+1542+....+20232-120232

A=1−122+1−132+1−142+....+1−120232�=1-122+1-132+1-142+....+1-120232

A=2022−(122+132+142+...+120232)�=2022-(122+132+142+...+120232)

122+132+142+...+120232<11.2+12.3+13.4+...+12022.2023122+132+142+...+120232<11.2+12.3+13.4+...+12022.2023

11.2+12.3+13.4+...+12022.2023=1−12+12−13+....−1202311.2+12.3+13.4+...+12022.2023=1-12+12-13+....-12023

⇒0<122+132+142+...+120232<1−12023<1⇒0<122+132+142+...+120232<1-12023<1

⇒2022−(122+132+142+...+120232)⇒2022-(122+132+142+...+120232)ko phải số tự nhiên

⇒A⇒� ko phải số tự nhiên

P=1+3/15+3/35+3/55+.............+3/9999

P=3/1*3+3/3*5+3/5*7+................+3/99*101

P=3/2(2/1*3+2/3*5+..............+2/99*101)

P=3/2(1-1/3+1/3-1/5+............+1/99-1/101)

P=3/2(1-1/101)

P=3/2*100/101

P=150/101

ko hông cảm