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Oblicz objętosc prostopadloscianu, którego pola powierchni trzech scian są równe: 20 cm kwadratowych, 24 cm kwardatowych, 30 cm kwadratowych
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Oblicz pole trapezu, którego krótsza podstawa jest równa 12 cm, a ramiona mają długość 10 cm i 8 2/3 cm. Wysokość trapezu stanowi 4/5 długości dłuższego ramienia.
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pilne!Oblicz pole i obwód koła opisanego na prostokącie, którego przekątna ma długość 6 cm i tworzy z bokiem kąt 60 stopni.
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Przekątna przekroju osiowego walca ma 12 cm i jest nachylona do podstawy pod kątem 30. Oblicz pole powierzchni walca.
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W pewnej fabryce dwóch ślusarzy powinno wykonać wg planu 600 detali do silników samochodowych, a wyprodukowali 736 detali. Pierwszy robotnik przekroczył normę o 20%, a drugi 25% zaplanowanej ilości. Oblicz ile detali wyprodukował pierwszy, a ile drugi?Zadanie trzeba wykonać metodą układu równań
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1. Uzupełnij zdania słówkiem not have to, have to, must lub mustn't w odpowiedniej formie według danych poniżej.a) train almost every dayb) play every weekendc) eat unhealthy foodsd) do exercise before they playe) wear sun cream at workf) wear a helmetFrank:a) yes b) yes c) not d) yes e) not f) notPatty:a) not b) not c) not d) yes e) yes f) not1) Patty ___ every weekend.2) Frank and Patty ___ unhealthy foods.3) Frank and Patty ___ before they play.4) Patty ___ sun cream at work.5) Frank and Patty ___ helmets.2. Zaznacz prawidłową odpowiedź1) Students must/shouldn't be at school at least fifteen minutes before classes.2) Your dog has to/doesn't have to stay outside.3) Adults shouldn't/don't have to smoke near children.4) This is an emergency exit. You have to/mustn't leave bicycles here.3. Napisz prawidłowe zdania.At my school...(don't have to) We don't have to wear a uniform.1) (have to) ___In my country...2) (must) ___3) (mustn't) ___In my family...4) (shouldn't) ___5) (don't have to) ___I think people...6) (should) ___
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1. Skoryguj błędy w zdaniach.1) Children under fifteen doesn't have to pay.2) Do we should wear a tie?3) Before he can watch TV, he musts finish his homework.4) You should'nt go out alone at night.5) You must bought a ticket before you get on the bus.6) You should to wear a helmet when you ride a bike.7) We don't have go to school tomorrow.2. Uzupełnij zdania słówkiem should lub must oraz wyrazami poniżej.be, put down, sit, stay, take, turn off, wear1)We ___ an umbrella. It's going to rain.2) The exam has finished. You ___ your pens now.3) I don't think you ___ too near the TV. You will damage your eyes.4) It's quite hot. I think you ___ a T-shirt.5) You ___ at least 100 cm tall to ride on the Milennium Force roller coaster.6) Passengers ___ with their bags at all times.7) You ___ the lights before you go out.3. Uzupełnij zdania wyrazami must, mustn't albo dont have to.These rules are very important and are for you safety. You (1) ___ read them before you enter the park.* All cars (2) ___ return by 6pm. The park closes at 7pm.* You (3) ___ drive faster than. 20 km/h - cars can frighten animals.* You (4) ___ stay in your car and you (5) ___ open your windows.* Visitors (6) ___ leave any rubbish. Animals eat everything.* You (7) go on an organised trip. You can drive your own car through the park.* Passengers on organised trips (8) ___ listen to their driver's instructions.* Visitors (9) ___ pay to take photographs. Please take as many as you want.
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