ÈýÔ²ÖùÓëԲ׶1Ô²ÖùµÚÎå¿Îʱ¿ìÀÖʵ¼ù´ð°¸
£¨1£©S=94dm2£»V=60dm3
£¨2£©S=600cm2£»V=1000cm3
£¨3£©S=18.84m2£»V=6.28m3
ÈýÔ²ÖùÓëԲ׶1Ô²Öù×ß½üÉú»î´ð°¸
£¨1£©¢Ùr2=12.56¡Â3.14=4£¨m2£©
r=2m
3.14¡Á2¡Á2¡Á1.3+12.56=28.888£¨m2£©
¢Ú12.56¡Á1.3=16.328£¨m3£©
16.328¡Á2.37¡Ö38.7£¨Ôª£©
£¨2£©Ë®£º3.14¡Á£¨6¡Â2£©2¡Á10=282.6£¨cm3£©=282.6£¨mL£©
²èÒ¶£º282.6¡Â50=5.652£¨g£©