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結果 : do we have a leap year this year
2:38

Leap years and why we need them - BBC News

BBC News
281,977 回視聴 - 4 年前
8:41

うるう年があるのはなぜですか? |うるう年とは何ですか? |ビノック博士のショー |ピーカブーキッズ

Peekaboo Kidz
2,981,828 回視聴 - 4 年前
3:59

What is a Leap Year?

CGP Grey
5,396,909 回視聴 - 12 年前
7:48

Why do we have leap years?

Mystery Science
1,303,863 回視聴 - 4 年前
12:16

うるう年: もっと改善できるはずです

Stand-up Maths
968,382 回視聴 - 8 年前
4:53

आसानी से समझिए Leap Year के Rules, Maths और Astronomy | Sciencekaari | 29 February | Leap Day

The Lallantop
253,418 回視聴 - 4 年前

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12:43

Neil deGrasse Tyson Explains Why We Have Leap Days

StarTalk
630,526 回視聴 - 10 か月前
3:22

The Leap Year as Explained by Neil deGrasse Tyson | StarTalk

National Geographic
349,626 回視聴 - 8 年前
1:07

Why Do We Have Leap Days And Leap Years? | 1MinuteDoc

1MinuteDoc
789 回視聴 - 8 年前

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7:40

लीप वर्ष क्यों होता है? | Why February Has 29 Days In Leap Year In Hindi | What Is A Leap Year?

Binocs Ki Duniya
202,980 回視聴 - 1 年前
4:56

なぜうるう年があるのでしょうか?

SciShow
433,974 回視聴 - 8 年前
10:34

なぜうるう年があるのでしょうか? + その他のビデオ | #オームサム #子供 #科学 #教育 #子供たち

It's AumSum Time
397,233 回視聴 - 3 年前
2:23

Leap year 2024 | Why do we have leap years?

CBS 8 San Diego
2,798 回視聴 - 11 か月前
2:45

Why Are There Leap Years? | COLOSSAL QUESTIONS

Colossal Cranium
152,140 回視聴 - 4 年前
3:04

なぜうるう年があるのでしょうか?閏日の歴史 - FreeSchool

Free School
48,376 回視聴 - 8 年前
1:57

Why Do We Have Leap Year? (And When it Doesn't Happen) | Explained

The Boring Voice
378 回視聴 - 4 年前
3:38

閏日とは何ですか?なぜそれを持っているのでしょうか？ - 子供の歴史を調べてみましょう

Kid Explorer
67,611 回視聴 - 4 年前
1:26

This is why we have Leap Years — and what happens if we don't

Interplanetary
80,299 回視聴 - 4 年前
2:21

Why do we have leap year?

KGW News
8,640 回視聴 - 10 か月前
2:19

What Is Leap Year, And Why Do We Have Them?

CBS Pittsburgh
718 回視聴 - 4 年前