.5 * * **

** ** ** **

25+1836-294316253192731726313283142931822412: 12=43=7=64=256=125=361=343=289=216=169=512=196=729=324=201 S=2ab+2ac+2bcV=abcS=abL=4a+4b+4cS=6a2V=a3L=12aP=2 (a+b)

2 3 350 33 3 7 34 3 30 318000 3210000 337 3 +110000 3=2350 3=3007 3=4030 3=18 3=210 3=137 3 : 80 , 45 , 55. , 10 ?

172-1741 2.13.38

15 : S=V t

: , , , , , , , ; . : 154, 157(), 173 (.. 3) :1 = 10 000 21 = 100 1 = 100 21 2 = 10000002=10000 =100 1 3=1000 3

1 3=10003

1 3 =1000 3 ==1000000 3