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Description
Збірник задач. Периметр. Площа. 3–4 класи. Collection Of Problems. Perimeter. Area. 3-4 Classes. . . 34 . Collection Of Problems. Perimeter. Area. 3 4 Classes , 34 . , , '', ''. , 34 , . : . , , . , , . . . . SPECIFICATIONS: Author: E. Plahotnyk, S. Stadnyk . , . Publisher: Language: Ukrainian Publication Date: 2020 Number of pages: 112 pst Format: Paperback Width: 145 mm 5,7' Height: 215 mm 8,5' Weight: 140 g Illustrations: Black and white ISBN: 9786170037589
Збірник задач. Периметр. Площа. 3–4 класи. Collection Of Problems. Perimeter. Area. 3-4 Classes
Посібник містить усі види задач на обчислення периметра та площі многокутників, передбачені типовими освітніми програмами з математики для учнів 3–4-х класів.
У збірнику подано пояснення, алгоритми розв’язання, тексти задач для формування та закріплення навичок розв’язання задач за темами 'Периметр', 'Площа'.Посібник допоможе вчителеві дібрати матеріал до уроків та додаткових занять, буде корисним учням 3–4-х класів для самостійної роботи, для подолання труднощів у розв’язанні геометричних задач.Посібник містить:- Алгоритми розв’язання геометричної задачі.
- Задачі на обчислення периметра квадрата, прямокутника, трикутника.
- Задачі на обчислення довжини сторони квадрата, прямокутника, трикутника.
- Задачі на обчислення площі фігур.
- Задачі на порівняння периметра і площі геометричних фігур.
- Задачі на обчислення периметра та площі многокутника.
SPECIFICATIONS:
Author:E. Plahotnyk, S. Stadnyk - Е. Плахотник, С. Стадник
Publisher:Основа
Language:Ukrainian/Українська
Publication Date:2020
Number of pages:112 pst
Format:Paperback
Width:145 mm / 5,7'
Height:215 mm / 8,5'
Weight:140 g
Illustrations:Black and white
ISBN:9786170037589
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4.8 ★★★★★
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Product Reviews
★★★★★ 1
Broke after 2 months.
Color: Bright White
This is 2 months old, it worked fantastic for 2 months It cleaned everything knew where it was going found its way home every time. Now it won't move it's turned on The brushes are spinning there's no way to turn it off and the button isn't working to power it down I have to let it sit and run for hours on its back so that it will die because there is no way to open it that I can find and there's no power off switch other than the one on the top which is not responding to me touching it.
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Reviewed in the United States on May 2, 2026
★★★★★ 4
Great for hard surfaces.
Color: Bright White, Color: Bright White
I love this vacuum for my hard floors. But make sure you check the clearance on all of your furniture as it gets stuck under my stuff easily. I am not a fan of the “mop” feature. It just drags around a wet swiffer pad. So obviously it doesn’t mop much. But for hard floors, this was a great purchase for the price! The quality of the vacuum is great! Even the packaging is nice. But I will say you need to look for the bigger filters as the K5 filters do not fit. Also, the app on your phone needs to be on the same WiFi as the vacuum or it disconnects and you need to reconnect it. I need to empty the collection bin every day, but I also have 4 dogs. I would definitely recommend this to someone with hard floors.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Best Purchase for my room
Color: White
I was skeptical at first but I’ve been using it for about 2-3 months, and it runs every day at 6am and it has never failed me. It always has a full filter at the end for the week, and the app is very good. When it would get stuck in places, it would always find a way out and I’ve never had to manually fix it. What’s even better is that there are 100-300 dollar roombas out there and yet this one has outperformed the expensive ones. They even are going to send me 4 free filters and 4 free brushes just for using it daily.
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Reviewed in the United States on November 26, 2025
★★★★★ 2
Doesn't last
Color: White
This product was working well. I used it daily but all of a sudden after 8 months it just stopped charging. I wish it actually lasted because it was a great product. But since it now no longer charges its of no use and a waste of money smh
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Calidad
Color: Bright White
Buena
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Reviewed in the United States on June 1, 2026
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