Best in 7 days
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Description
Eriksson, Kimmo ; Gavel, Hillevi | DISKRET MATEMATIK OCH DISKRETA MODELLEROm Diskret matematik och diskreta modeller av Eriksson, Kimmo ; Gavel, Hillevi Diskret matematikens roll i modellering Boken Diskret matematik och diskreta modeller behandlar diskret matematik och dess tillmpningar inom olika omrden som datateknik, elektronik och politik. Den r avsedd fr studenter som pbrjar en kurs i mnet och syftar till att ge en grundlggande frstelse fr diskreta modeller och deras betydelse. Diskret matematik i praktiken I ett
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1645 reviews
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Product Reviews
★★★★★ 5
Durable
Size: Small, Style: Ultra Duo Tug
Well, our dogs didn't end up playing tug with each other, but they love the toy anyway and it still looks pretty good after a month. That doesn't sound like much, but they both love to chew and destroy rubber and they're ridiculously good at it. They also really like chewing the strap between the two balls, which is still in surprisingly good condition. Most "indestructible" toys are toast within the hour. Well worth the money. Plus, the unpredictable bounce when thrown keeps the dogs busy.
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Good quality ball for large dog, easy to clean
Size: Large, Style: Ultra Tug
It’s challenging to review this because I bought it for my son’s dog, and it doesn’t interest him at all, even though he likes and plays with regular balls. The ball appears to be good quality, which is typical for this brand. He likes to play tug of war, so I thought the combination with a ball would be a hit. The strap looks durable, so time will tell if he develops an interest in playing with this at some point. The ball is hard rubber and fairly heavy, so it should hold up to an aggressive chewer. It doesn’t squeak or make any other noise. It bounces unpredictably and erratically because of the attached strap. Both the strap and ball are easy to clean with soap and water.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
A must have if "ball is life"
Size: Large, Style: Ultra Tug, Size: Large, Style: Ultra Tug
If ball is life for your pup this is a great option! Our 70lb mutt is obsessed. We got her the large size for reference. She is not a chewer so we have zero issues with the attached leash/rope part. The ball is the same hard rubber of a typical Chuck-it ball. The rope makes tossing and grabbing the ball from your dog so much easier and cleaner. I also love this helps avoid any choking hazard with typical balls having the rope.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
What a Ball
Size: Medium, Style: Ultra Tug
Great toy for exercise for my fur baby and me! She never tires from this ball! German shepherd loves to play!! Perfect size for her. She likes to chew and it stands up! Throw it in to wash with her towels!
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Best and most durable toy for our German shepherd
Size: Medium, Style: Ultra Tug, Size: Medium, Style: Ultra Tug
We have a German shepherd. This is our 2nd purchase. The first one was her first and favorite toy.
We still have the first one. But the strap broke (after a year) bc we didn't realize she hid it under blanket, and she chewed it in half. But after a year of hard play, the strap was worn out. She still plays with her ball, and often carries it with her on her walks.
It throws well and I love not having to pick up a slobbery ball. The ball is soft, durable, safe, and easy to play with.
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Reviewed in the United States on August 22, 2025
