@Serek98

Serek98

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1.Z kwadratu o boku 9cm odcięto cztery jednakowe trójkąty takie,że przyprostokątne tych trójkątów sa równe 1/3 długości boku kwadratu.Pole otrzymanego ośmiokąta jest równe:a)63cm3b)72cm3c)36cm3d)Nie można obliczyćProszę o uzasadnienie lub obliczenie:)
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W sklepie znajdowało się 50 kg owoców:8kg jabłek,12kg moreli i brzoskwinie.Jaki procent wszystkich owoców stanowią brzoskwinie.??
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1)Rowerzysta przejechał pewną drogę, ze stała prękością , w ciągu 39minut. W jakim czasie przejedzie tę drogę, gdy zwiększy prędkość o 30%? napisz obliczenia.Prosze o wytlumaczenie !!!!
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Dopasuj czasowniki w nawiasach do danego czasu:Past Simple i Past Conitnuous5.He usually wears sandals but when I last saw him he (wear) boots.6.The house was in great disorder because he (redecorate) it.7.The director didn't allow the actors to travel by air while they (work) on the film.8.The car had nobody in it but the engine (run(.9.Two children (play) on tje sand and two fisherman (lean) against an upturned boat.10.I was alone in the house at that time because Mr Jones (work) in the garage and Mrs Jones (shop).11.He said that he was captain of a ship which (sail) that night for Marseilles.12.Are you going to Rome ? I throught that you (go) to Milan.13.My wife and I (talk) about you yhr other day.14.When I first met him he (study) painting.15.There was a strong smell and the sound of frying.Obviously Mrs Jones (cook) fish.16.Tom ate nothing for lunch because he (diet).He said that he (try) to lose 10 kilos.17.Who you (talk) to on the telephone as I came in ?18.As she (climb) the ladder it slipped sideways and she fell off it.19.When I first met him he (work) in restaurant.20.He watched the children for a moment.Some of them (bathe) in the sea,others (look) for shells ,others (play) in the sand.21.Where he (live) when you saw him last ?22.She (stand) at the bus stop.I asked her what bus she (wait) for.23.From the sounds it was clear that Mary (practise) the piano.24.There had been an accident and men (carry) the injured people to an ambulance.25.Two men (fight) at a street corner and a policeman (try) to stop them.what they (fight) about ?Nobody seemed to know.26.Tom (sit) in a corner with a book.I told him that he (read) in very bad light.27.I went into the garden to see what the boys (do).James (weed) and Alexander (cut) the grass.28.They had taken off the wheel of the car and (mend) the puncture.I asked when it would be ready.29.When I arrived at the meeting the first speaker had just finished speaking and the audience (clap).30.The traffic (make) so much noise that I couldn't hear what he (say).31.While he (learn) to drive he had twenty-five accidents.32.He had a bad fall while he (repair) his roof.33.He was a little mad.He always (try) to prove that the earth was flat.34.While we (fish)someone came to the house and left this note.35.The exam had just begun and the candidates (write) their names at the top of their papers.36.Just as I (wonder)what to do next,the phone rang.potrzebuję tego na dziś bo musze sobie sprawdzic czy mam dobrzeDAM NAJ:)
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Oblicz ile kosztuje godzina pracy twojego komputera ?Z wzoru P=UxIx-jest to razyPLis prosze dam naj
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Sprawdź, czy układ równań jest sprzeczny, oznaczony czy nieoznaczony.a) {x + y = 3{x - y = -3 ( "{" jako jedna klamra :) )b) {0,5x - y = 2{-x + 2y = -2c) {-2x + 3y = 4{0,4x - 0,6y = -0,8Metodą przeciwnych współczynników plis.......dam naj
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