export declare function plus(...numbers: number[]): number;
/**
 * 依次相减
 * @param numbers 数字
 * @returns
 */
export declare function minus(...numbers: number[]): number;
/**
 * 两数相乘
 * @param num1 数字1
 * @param num2 数字2
 * @returns
 */
export declare function mul(num1: number, num2: number): number;
/**
 * 两数相除
 * @param num1 数字1
 * @param num2 数字2
 * @returns
 */
export declare function divide(num1: number, num2: number): number;