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功夫先人
[专家分：60] 发布于 2009-01-06 16:11:00
百元买百鸡
用100元钱买100只鸡,公鸡每只5元,母鸡每只3元,小鸡3只1元,问能买公鸡、母鸡和小鸡分别多少只？
DEFINT A-C
CLS
PRINT "公鸡", "母鸡", "小鸡"
FOR a = 0 TO 20
FOR b = 0 TO 33
c = 100 - a - b
IF 5 * a + 3 * b + c \ 3 = 100 AND c MOD 3 = 0 THEN
PRINT a, b, c
END IF
NEXT
NEXT
'=====================================
' 运行结果
'=====================================
'公鸡 母鸡 小鸡
' 0 25 75
' 4 18 78
' 8 11 81
' 12 4 84
用100元钱买100只鸡,公鸡每只5元,母鸡每只3元,小鸡3只1元,问能买公鸡、母鸡和小鸡分别多少只？
DEFINT A-C
CLS
PRINT "公鸡", "母鸡", "小鸡"
FOR a = 0 TO 20
FOR b = 0 TO 33
c = 100 - a - b
IF 5 * a + 3 * b + c \ 3 = 100 AND c MOD 3 = 0 THEN
PRINT a, b, c
END IF
NEXT
NEXT
'=====================================
' 运行结果
'=====================================
'公鸡 母鸡 小鸡
' 0 25 75
' 4 18 78
' 8 11 81
' 12 4 84
