4个数字的混合运算得固定结果的可能性
作者 佚名技术
来源 服务器技术
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发布时间 2012-07-11
| ------ if (m1 == "-" and m2 == "*" and m3 == "+") { result = num1-num2*num3+Number(num4); } if (m1 == "-" and m2 == "*" and m3 == "-") { result = num1-num2*num3-num4; } if (m1 == "-" and m2 == "*" and m3 == "*") { result = num1-num2*num3*num4; } if (m1 == "-" and m2 == "*" and m3 == "/") { result = num1-num2*num3/num4; } //------------------------------ if (m1 == "-" and m2 == "/" and m3 == "+") { result = num1-num2/num3+Number(num4); } if (m1 == "-" and m2 == "/" and m3 == "-") { result = num1-num2/num3-num4; } if (m1 == "-" and m2 == "/" and m3 == "*") { result = num1-num2/num3*num4; } if (m1 == "-" and m2 == "/" and m3 == "/") { result = num1-num2/num3/num4; } //-------------------------------- if (m1 == "*" and m2 == "+" and m3 == "+") { result = num1*num2+Number(num3)+Number(num4); } if (m1 == "*" and m2 == "+" and m3 == "-") { result = num1*num2+Number(num3)-num4; } if (m1 == "*" and m2 == "+" and m3 == "*") { result = num1*num2+num3*num4; } if (m1 == "*" and m2 == "+" and m3 == "/") { result = num1*num2+num3/num4; } //--------------------------------- if (m1 == "*" and m2 == "-" and m3 == "+") { result = num1*num2-num3+Number(num4); } if (m1 == "*" and m2 == "-" and m3 == "-") { result = num1*num2-num3-num4; } if (m1 == "*" and m2 == "-" and m3 == "*") { result = num1*num2-num3*num4; } if (m1 == "*" and m2 == "-" and m3 == "/") { result = num1*num2-num3/num4; } //---------------------------------- if (m1 == "*" and m2 == "*" and m3 == "+") { result = num1*num2*num3+Number(num4); } if (m1 == "*" and m2 == "*" and m3 == "-") { result = num1*num2*num3-num4; } if (m1 == "*" and m2 == "*" and m3 == "*") { result = num1*num2*num3*num4; } if (m1 == "*" and m2 == "*" and m3 == "/") { result = num1*num2*num3/num4; } //--------------------------------- if (m1 == "*" and m2 == "/" and m3 == "+") { result = num1*num2/num3+Number(num4); } if (m1 == "*" and m2 == "/" and m3 == "-") { result = num1*num2/num3-num4; } if (m1 == "*" and m2 == "/" and m3 == "*") { result = num1*num2/num3*num4; } if (m1 == "*" and m2 == "/" and m3 == "/") { result = num1*num2/num3/num4; } //---------------------------------- if (m1 == "/" and m2 == "+" and m3 == "+") { result = num1/num2+Number(num3)+Number(num4); } if (m1 == "/" and m2 == "+" and m3 == "-") { result = num1/num2+Number(num3)-num4; } if (m1 == "/" and m2 == "+" and m3 == "*") { result = num1/num2+num3*num4; } if (m1 == "/" and m2 == "+" and m3 == "/") { result = num1/num2+num3/num4; } //---------------------------------- if (m1 == "/" and m2 == "-" and m3 == "+") { result = num1/num2-num3+Number(num4); } if (m1 == "/" and m2 == "-" and m3 == "-") { result = num1/num2-num3-num4; } if (m1 == "/" and m2 == "-" and m3 == "*") { result = num1/num2-num3*num4; } if (m1 == "/" and m2 == "-" and m3 == "/") { result = num1/num2-num3/num4; } //----------------------------------- if (m1 == "/" and m2 == "*" and m3 == "+") { result = num1/num2*num3+Number(num4); } if (m1 == "/" and m2 == "*" and m3 == "-") { result = num1/num2*num3-num4; } if (m1 == "/" and m2 == "*" and m3 == "*") { result = num1/num2*num3*num4; } if (m1 == "/" and m |
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