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主题:大哥大姐帮帮忙!!!!!!!!

1、求1*2+2*3+3*4+...+9*10的和
2、1!+2!+...5!
3、用100元钱买16只鸡,公鸡5元一只,母鸡25元1只,求公鸡、母鸡各几只?[size=2][/size]

回复列表 (共5个回复)

沙发

第1,2题太简单。
第3题:
FOR I=1 TO 16
IF I*5+(I6-I)*25=100 THEN
PRINT "公鸡";I,"母鸡";16-I
END IF
NEXT
哎,也太简单.

板凳

(em1)
s=1
for i = 1 to 5
  for j=1 to i
     s=i*j
     e=e+s
  next j
next i
print "jiesheng";e
end[em1]
我很厉害吧!小子!

3 楼

[em9]
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4 楼

那我就做做 简单的一二两题吧
1*2+2*3+3*4+...+9*10

s = 0
FOR i = 1 TO 9
  s = s + i * (i + 1)
NEXT i
PRINT "1*2+2*3+3*4+...+9*10 ="; s
END

1!+2!+...5!

m = 1
s = 0
FOR i = 1 TO 5
  m = m * i
  s = s + m
NEXT i
PRINT "1!+2!+...5! =";s
END

5 楼

Qb没乘方么?不如写个vb的调用

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