一年级数学10以内加减法口算题网页自动生成程序

4、varStr="";vara,b;while(1<5){JiaJianNum=JiaJianNum+1;JiaJian=JiaJianNum%2;TenNineNum=TenNineNum+1;TenNine=TenNineNum%4;if(TenNine==0){a=parseInt(10*Math.random());b=parseInt(10*Math.random());}if(TenNine==1){a=parseInt(10*Math.random()+1);b=parseInt(10*Math.

5、random()+1);}if(TenNine==2){a=parseInt(10*Math.random());b=parseInt(10*Math.random()+1);}if(TenNine==3){a=parseInt(10*Math.random()+1);b=parseInt(10*Math.random());}if(JiaJian==1){if(a!=0

6、

7、b!=0){if(a+b<=10){n=n+1;StrTemp=Str;Str=a+"+"+b+"="+"
";if(Str!=S

8、trTemp){if(n<=20){document.getElementById("ha1").innerHTML=document.getElementById("ha1").innerHTML+Str;}if(n>20&&n<=40){document.getElementById("ha2").innerHTML=document.getElementById("ha2").innerHTML+Str;}if(n>40&&n<=60){document.getElementById("ha3").in

9、nerHTML=document.getElementById("ha3").innerHTML+Str;}if(n>60&&n<=80){document.getElementById("ha4").innerHTML=document.getElementById("ha4").innerHTML+Str;}}}else{JiaJianNum=JiaJianNum-1;TenNineNum=TenNineNum-1;}}}if(JiaJian==0){if(a!=0

10、

11、b!=0){if(a-b<0){n=

12、n+1;StrTemp=Str;Str=b+"-"+a+"="+"
";if(Str!=StrTemp){if(n<=20){document.getElementById("ha1").innerHTML=document.getElementById("ha1").innerHTML+Str;}if(n>20&&n<=40){document.getElementById("ha2").i