[182671] 49471. 楊丞琳 & 王心凌 - 女孩們Girls (2020)★__黃中平
[182672] 49472. STR Network：火烤大賽四強賽——Jim vs. 學仁 (2020)★★
[182673] 49473. 河北吳孟達, 河南說唱之神 & 光能使者 - 我像一個傻瓜 (2020)★★‒
[182674] 49474. 東樹 - 🍌🍌🍌🍌🍌🍌🍌🍌 (2020)★★
[182675] 49475. 魏裕銘 - Red Sky (2020)★★≋
[182676] 49476. 李柏威 - Give Me Dat Shit (2020)★★
[182677] 49477. Geais - Mileage (2020)★★
[182678] 49478. 蔡昀睿 - Call My Name (2020)★★
[182679] 49479. 張育銨 - I Don't Know (2020)★★
[182680] 49480. 何昫 - 萬能的天神請你賜予我力量吧吧吧！！！ (2020)★★

[182681] 49481. Hyeper：鬼滅之刃魘夢中文配音對照（明軒&劉傑） (2020)★★
[182682] 49482. Small Ay - My Name (2020)★★
[182683] 49483. 甜約翰 & 壞特 - 留給你的我從未 (Remix) (2020)★★
[182684] 49484. 谷阿莫：開車下海第二彈！和奎丁一起開車掉進海裡，難道這是最後一集了嗎？ (2020)★★
[182685] 49485. 奎丁：谷阿莫開車帶我掉進海裡，他的頻道要結束了…！ (2020)★★
[182686] 49486. 培特 & Macdella - 777 (2020)★★
[182687] 49487. HowZ - 街角的薔薇The Rose (2020)★★
[182688] 49488. 柴鼠兄弟：台積電是關鍵！四大台股大盤型ETF績效PK——0050 850 6208 692 (2020)★★
[182689] 49489. 大聰看電影：顏值爆表爽劇《后翼棄兵》，女王棋局無人可破，故事背後原型更讓人唏噓！ (2020)★★
[182690] 49490. Braces - Final Track (2020)★★

[182691] 49491. 劉大壯 - 會不會 (2020)★★
[182692] 49492. Super Junior - 우리에게The Melody (2020)★★
[182693] 49493. Paloalto - Energy (2020)★★
[182694] 49494. 阿飛：32歲才入行的Becky Bandini被專拍熟女的片商選為當月最佳女優 (2020)★★
[182695] 49495. 今天的我沒有極限：Top-Sino 159cm米悠米露 寫實娃娃之最 打造娃圈新世界 (2020)★★
[182696] 49496. A Jie：鬼滅之刃那麼普通是在紅什麼！過譽普作？全靠幽浮社？ (2020)★★
[182697] 49497. 攻殼：別讓機遇變成危機《軒轅劍7》鑑賞 (2020)★★
[182698] 49498. 好機車：獲得奧斯卡獎的數來寶饒舌，女生才會懂這種音樂特效有多棒【蛋頭 - 頭家】 (2020)★★
[182699] 49499. 秋生萬 - Purple Drink (2019)★★
[182700] 49500. ZE:A - Continue (2015)★★

[182701] 49501. AD, Blicksz, Bolo B, Fuze & Melly - Again & Again (2020)★★
[182702] 49502. AJ Suede - The Plane (2020)★★🆁
[182703] 49503. Aleebi - Skyline Blvd (2020)★★
[182704] 49504. Astral Trap & AJ Suede - Tiago (2020)★★∿
[182705] 49505. Astral Trap & Neighborhood Arion - FishHouse (2020)★★
[182706] 49506. Avi Twat - Pistol Pete (2020)★★
[182707] 49507. Axel Stone - Chai Wheat Beer (2020)★★
[182708] 49508. Bace God - Quick Fix (2020)★★
[182709] 49509. Blaatina - Trends (2020)★★
[182710] 49510. Blueface & Mike Jay - NDA (2020)★★

[182711] 49511. Chase - Chasing (2020)★★
[182712] 49512. CJ Fly & Kirk Knight - Block Party (2020)★★🆁
[182713] 49513. Tines - On My Back (2020)★★
[182714] 49514. DBo, Ksav & Nikz - Wrist On Bop (2020)★★✚
[182715] 49515. Deksz James - War (2020)★★
[182716] 49516. Deksz James & Mary J - All I Know (2020)★★
[182717] 49517. Frenzo Harami & Dirty Money - Money In Abundance (2020)★★
[182718] 49518. H Moneda - Mad About Bars (2020)★★
[182719] 49519. K Ghost - Mirror Mirror (2020)★★
[182720] 49520. Kaniva - One Mic Freestyle (2020)★★

[182721] 49521. YP - Certified Grinder (2020)★★
[182722] 49522. KayOrAlpha & Keemzo Wavey - Grind Stack (2020)★★
[182723] 49523. Lil Kemzy & Christian Pumpz - Real Fake (2020)★★
[182724] 49524. Lil Slugg & Six Shoota - Krabby Pattiez (2020)★★
[182725] 49525. LingzMuni - Use to Freestyle (2020)★★
[182726] 49526. Loki, Aflacko, LoyaltyBGM & Lil Trev - Loyalty Is Everything (2020)★★
[182727] 49527. Louis Rei - Daily Duppy (2020)★★
[182728] 49528. Manix - Take Another Look (2020)★★
[182729] 49529. Mastermind - Emotionally Scarred (Remix) (2020)★★
[182730] 49530. Milli Contour - Griselda (2020)★★

[182731] 49531. Movements - How We Do (2020)★★
[182732] 49532. Nyck Caution - Mufasa Freestyle (2020)★★__Slick Jackson
[182733] 49533. Nyck Caution - Slippin Away (2020)★★🆁
[182734] 49534. Pandar - Missing You (2020)★★
[182735] 49535. RA - Mortal Kombat (2020)★★
[182736] 49536. RL - Back Then (2020)★★
[182737] 49537. Ruben Slikk - Str8thexx (2020)★★
[182738] 49538. Schizo, Stemodity & fl.vco - GooGUPman (2020)★★
[182739] 49539. SupaSheeks & El Blacka - Creepin (2020)★★
[182740] 49540. Sosamann & Sada Baby - Sauce & Season (2020)★★

Mathematics involved in Physics
Scientific Notation and Unit Prefix

中文版：https://youtu.be/IwHXbmqVdnA