( ) (3.2) .
, 76,3 .
()
d = 76,3 | ; | |
= 3,1416 | ; | |
() | ||
k = / | ; | |
k = 10 / | . | |
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( ) () (. 3.14).
. 3.14.
. 3.20.
3.20
d | k | k | d | d | S | S | ||
d | PI | km | kmm | dm | dmm | sm | smm |
( 2 PI , ):
#include<stdio.h> /* */
#include<stdlib.h> /* */
#include<math.h> /* */
#define PI 3.1416 /* */
main()
{
float d, km, kmm, /* */
dm, dmm, sm, smm; /* */
scanf(%4f%5e%3f, &d, &km, &kmm);
fprintf(stdout,\nd=%5.2f PI=%6.4f km=%7.2e kmm=%4.1f, d,PI,km,kmm);
dm=d*km;
dmm=d*kmm;
sm=PI*pow(dm/2.,2);
smm=PI*pow(dmm/2.,2);
fprintf(stdout,\n dm=%8.4f dmm=%8.1f sm=%8.4f
smm=%8.1f \n, dm, dmm, sm, smm);
}
76.31.e-210.
, , scanf .
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