II gimnazjum

Matematyka z plusem 2

a)
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Różnica punktów między zwycięzcami a przegranymi
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0-5
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6-10
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11-15
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16 i więcej
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Liczba meczy
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1
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6
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3
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3
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a)<img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/32033/3JbyV5Beiu/vTqNNwVoqiw%3D%3D_0d68a13d449de3072b739bf85e905c37b559054bbc1ea42e94dce064fb6d6b74.png"> b) &nbsp;<img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/32034/JgU1K52yqQ58MCP3FVCcLg%3D%3D_9e6246d09430c67dbbd17365c07397ae5d2db7a9fe9d0262a56b6b372d8395db.png"> c) Obliczamy średnią: 2+3+3+5+6+4+3+1+257+59+60+62+63+66+66+68+70+70+72+73+74+74+76+76+77+77+78+81+82+84+84+86+88+89+93+103+105​≈76,31

a) &nbsp;<img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/32035/Jacu%2BFmJnXzFV6ciOEvnpg%3D%3D_33221c20f1dd966930131a568a53df43d93e127cba54a1105cbbe6620a68d803.png"> &nbsp; b) Sˊrednia=254⋅1+13⋅2+8⋅3​=254+26+24​=2554​=2,16

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