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怎么用excel表格随机编简单的数学题(20以内加减法)

2025-03-30 21:57:19

推荐回答（5个）

回答1：

A1 B1 C1 D1
12 + 6
A1公式=round(20*Rand(),0)
B1输入+或-
C1公式=round(20*Rand(),0)
D1公式="="&IF(B1="+",A1+B1,IF(B1="-",A1-B1,""))
空白单元格上按删除键就重新生成随机数

回答2：

A1 B1 C1 D1
12 + 6
A1公式=round(20*Rand(),0)
B1输入+或-
C1公式=round(20*Rand(),0)
D1公式="="&IF(B1="+",A1+B1,IF(B1="-",A1-B1,""))
空白单元格上按删除键就重新生成随机数

回答3：

var a,b,c:longint;
begin
randomize;
a:=randomize(21);
b:=randomize(21);
c:=a+b;
write(c);
end.

回答4：

楼上的公式错啦，应该是：

A1 B1 C1 D1
12 + 6
A1公式=round(20*Rand(),0)
B1输入+或-
C1公式=round(20*Rand(),0)
D1公式="="&IF(B1="+",A1+C1,IF(B1="-",A1-C1,""))
空白单元格上按删除键就重新生成随机数

回答5：

从百度文库中搜索，有现成的这种随机编程Excel文件，下载运行即可，也容易看懂。

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