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Description
我是學霸：10分鐘愛上數學: Hello
作者: 項華 | 繪者： 安妮卡・布蘭多
數字是一個相當龐大的家庭，在這個家庭裡生活著很多成員。有整數、分數……我們最常用到的數字就是整數。
世界通用的數字叫作阿拉伯數字， 阿拉伯數字雖然是由阿拉伯人傳入歐洲的，但它們的發明者其實是古印度人。
不同地區的人們使用的計數符號也各不相同。除了阿拉伯數字，計數符號還有很多種表現形式。羅馬數字是最早的計數符號。
本書特色
用淺顥易懂又活潑的圖文說明數字形成「十分鐘愛上數學」。把世界變成原子、分子的遊樂場「瘋狂的化學」。把地球裝進背包裡「這麼好玩的物理」。程式、網路、人工智慧、大數據竟如此有趣「不能不懂的程式設計」。基因、遺傳……你不知道的生物袐密「生物有袐密」。開飯啦！食物是電「Hello機器人」。
世界通用的數字叫作阿拉伯數字， 阿拉伯數字雖然是由阿拉伯人傳入歐洲的，但它們的發明者其實是古印度人。
不同地區的人們使用的計數符號也各不相同。除了阿拉伯數字，計數符號還有很多種表現形式。羅馬數字是最早的計數符號。
本書特色
用淺顥易懂又活潑的圖文說明數字形成「十分鐘愛上數學」。把世界變成原子、分子的遊樂場「瘋狂的化學」。把地球裝進背包裡「這麼好玩的物理」。程式、網路、人工智慧、大數據竟如此有趣「不能不懂的程式設計」。基因、遺傳……你不知道的生物袐密「生物有袐密」。開飯啦！食物是電「Hello機器人」。
作者
項華
是中國北京師範大學教授、博士生導師，專業領域為物理課程與教學論、科學教育與傳播、小學科學教育。創立了數據探究整合理論、奠定了訊息技術與理科教學整合的基礎。
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4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Worth every penny!
Excellent quality. Very easy installation. Took me less than 2 minutes. Holds phone securely. Looks very good. Easy adjustment. Very pleased. Worth every penny. Highly recommend.
Update: I've been using it almost 2 months and it seems very well made. No issues. Very satisfied.
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Reviewed in the United States on February 1, 2026
★★★★★ 5
Finally a mount for my truck!
2015 Toyota Tacoma Prerunner. I've tried many different mounts - ones that stuck to the dash, stuck to the windshield, one that mounted in the cup holder in the console. They all were bad in their own way. This Offroam mount finally got it right. Easy installation - and when I say SOLID hold I mean it. No movement, no rattle, do creaking sound, etc, etc. I was very skeptical of the one-handed use getting the phone in and out but it's really a genius design.
Seriously - I just got it, so can't really speak to longevity yet. Judging by the design and quality of parts, I'll say it will be the last mount I ever purchase for this truck. Pay the extra, and be happy.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Great Quality, Perfect Fit
2015 Tacoma. This fit perfectly and is solid. Last/Different one I had on another vehicle broke one of my vent dividers. That can't happen with this design. Worth the money. Would absolutely recommend.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Well build and functions nicely
The products build quality is excellent; in fact, its far superior to this product's competitor, "Batdiary". This mount stays locked in place when i use one hand to mount my phone or remove it. Also, the internal mechanism is much nicer than the Batdiary one and feels like it has tighter and more accurate machining tolerances which should prevent it from rattling like its competitor's did after a couple weeks use.
I highly recommend this product, it is worth the high price tag!
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Reviewed in the United States on November 6, 2025
★★★★★ 4
Buy once, cry once
This Offroam phone mount is not the cheapest option, but it is easily the most functional and sturdy one available, especially for second-generation Toyota Tacomas. I went through several plastic phone mounts before this and should have bought this one from the start to save both money and frustration.
Installation was very simple, and it is even easier to use day to day. I like that this mount uses adjustable arms to grip the phone rather than relying on MagSafe. It keeps my phone secure even on rough terrain and offers plenty of flexibility for positioning the phone exactly where you want it.
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Reviewed in the United States on January 25, 2026
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