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При спуске космического корабля вес космонавта оказался в четыре раза больше, чем его вес на Земле. Изобразите с

1978dan 1978dan    3   17.04.2019 00:50    22

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arhipflina arhipflina  31.05.2020 11:26

r=S\p

R=abc\4s

1)S=1\2*18*12=108 

2)r=108\24=4.5

3)R=18*15*15\4*108=9.375

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