專為4至6歲兒童研發的一套以加減法為切入點的數學遊戲益智圖書。
* 內容由淺入深：計算範圍由10以內擴展至20以內，並由加減法獨立運算進深至加減法混合運算。
* 鞏固兒童的數學概念：由生活和小動物的場景，來表述數量之間的關係，把抽象的數位和符號具體化，易於理解，為小學數學的學習打下堅實基礎。
* 提高孩子綜合能力：看圖做數學題的練習能提高其觀察力、判斷能力、推理能力、記憶力、空間知覺、概括能力、想像力、創造力等8大能力。
本系列是專為4至6歲兒童研發的一套以加減法為切入點的數學遊戲益智類圖書，從他們熟悉和喜歡的生活，以及小動物之間的情景出發，來表述數量之間的關係。圖畫把抽象的數位和符號具體化、形象化、兒童化、遊戲化，激發兒童對學習數學加減運算的興趣，並加深兒童對數學概念的理解，為他們迎接小學數學的學習打下堅實的基礎！
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Description
幼稚園數學看圖學加減法（2）4-5歲-10以內加減混合運算: 46 * 1020 * * 8 46
作者: 何秋光
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4.1 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Quality enclosure and battery. Looks great.
Number of Items: 4
Quality metal enclosure. Look great. Two color levels. Charge even in indirect sunlight just fine. I have now bought 12 of these lights.
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Reviewed in the United States on November 1, 2025
★★★★★ 5
Very durable and designed to last a long time
Number of Items: 2
I've had a pair of these lights for 7-8 years and would still be using them with no issues if a naughty racoon hadn't taken an interest in them and broken the glass on one of them. I was delighted to find that the identical looking ones (operate slightly differently) were still available.
They are extremely simple to put together (just screw together the durable metal pieces) and turn them on to the chosen brightness. It couldn't be much simpler.
I also have other Gama Sonic solar lights and they are every bit as good.
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Reviewed in the United States on May 4, 2024
★★★★★ 3
Gama lights
Number of Items: 4
3 out of 4 are great. One did not work right away. Company send 2 extra battery packs. But still one bad unit. Talking now about options. Company seems to have good customer service. But bad light definetly an issue. 1 of 4 bad.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Gama Sonic Solar Lights: Built to Last and Guaranteed
Number of Items: 2
These lights are nice and bright and stay on all night. I have other Gama Sonic solar lights also. One of them, which I didn't buy from Amazon, had a problem so I contacted Gama Sonic directly because they have a 2-year warranty. They responded immediately and I got it fixed and now I'm happy with it. I will keep buying their solar lights because they make good quality solar lights and have a 2-year warranty.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Very strong construction--no plastic
Number of Items: 2
Expensive, but appears to be very well made. The lights are made of aluminum, so the support is sturdier than the usual plastic. The poles are in two parts, so you have a choice of heights the light is above the surface. Battery replacements are expensive, but you should get two years or more from a battery. You have a choice of a quite bright white light or a less bright yellow light.
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Reviewed in the United States on May 18, 2026