Tyto úlohy prověřují, jak umíte pracovat se zlomky, desetinnými čísly a procenty.
Většina úloh není obtížná. Někdy však není snadné úlohu na zlomky vyřešit rychle.
Pomůže vám, když si budete alespoň přibližně pamatovat hodnoty významných
zlomků. Pro porovnávání hodnot dvou zlomků také často pomůže převést si je na
společný jmenovatel. To vám umožní pracovat jen s hodnotami čitatelů.
X je kladné dvouciferné číslo, jehož ciferný součet je roven 15. Rozdíl tohoto čísla X a čísla, které vznikne výměnou pozic jeho cifer, je kladné jednociferné číslo. Urči číslo X · 1/3 + 2.
Seřaďte čísla vzestupně: 1/2, 2/3, 5/6, 2/7, 4/5:
| Cookie | Délka | Popis |
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| vuid | 1 year 1 month 4 days | Vimeo installs this cookie to collect tracking information by setting a unique ID to embed videos on the website. |
| Cookie | Délka | Popis |
|---|---|---|
| _cfuvid | session | Description is currently not available. |
| pbid | 6 months | Description is currently not available. |
| SL_C_23361dd035530_DOMAIN | session | Description is currently not available. |
| uloha_switch | 1 day | Description is currently not available. |
