- QBASIC .
- ( 4) QBASIC. . , .
- , .
- ( ) . . . ( ) , .
- X, Y , INPUT. INPUT ENTER.
- , , :
(1,1) , 1=0.4, 1=0.1.
(2,2) , 2=0, 2= -1.5.
. - Δ.
, , , 5 () .
1. .. . . - : , 2001.
2. .., .., .. . - . .,
, 2004.
3. .., QBASIC. . ., ABF, 1996.
4. .. (-
). --, 2004 -94 .
5. 19.70190 ( 580785). . , , .
. . . . 1991.
1
110 , 11--20 , X,Y ();
1. . , , .
2. . 100, , .
3. . 0,3, ,
|
|
4. . , , .
5. . , , .
6. . , 1000, , .
7. . 999, ,
8. . , , , , .
9. . , , .
10. . , , 300, , .
11 12
13 14
15 16
17 18
|
2
(110) .
(11-20) .
; ;
; ;
;
11. =400, 397, 394, 391, ( 109 )
12. =3, 6, 12, 24, ( 27 )
13. =1000, 500, 250, 125, ( 30 )
14. =3, 11, 19, 27, ( 73 )
15. =15, 30, 60, 120, ( 25 )
16. =2400, 1200, 600, 300, ( 25 )
17. =19, 23, 27, 31, ( 83 )
18. =20, 14, 8, 2, ( 115 )
19. =2, 6, 18, 54, ( 15 )
20. =2700, 900, 300, 100, ( 35 )
3
1. . .
2. . .
3. . .
4. . .
5. . (-1), (-2) ..
6. . 1, 3, - 5 ..
7. . .
|
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8. . .
9. . 0, 2, - 4 ..
10. . .
11. . . , .
12. . (-1), - 1, .
13. . . , .
14. . . , .
15. . : (a1 + a n), (a2 + a n 1), (a3 + a n 2) ..
16. . .
17. . , 10.
18. . .
19. . .
20. . .