text: // 加
  const accAdd = (arg1, arg2) => {
    var decimals = 1000000
    var a = arg1 * decimals
    var b = arg2 * decimals
    return Math.round(a + b) / decimals
  }
  
  // 减
  const accSub = (arg1, arg2) => {
    var decimals = 1000000
    var a = arg1 * decimals
    var b = arg2 * decimals
    return Math.round(a - b) / decimals
  }
  
  // 除
  const accDiv = (arg1, arg2) => {
    var decimals = 1000000
    var a = arg1 * decimals
    var b = arg2 * decimals
    return Math.round(a / b)
  }
  
  // 乘
  const accMul = (arg1, arg2) => {
    var decimals = 1000000
    var a = arg1 * decimals
    var b = arg2 * decimals
    return Math.round(a * b) / (decimals * decimals)
  }
  
  export {
    accAdd,
    accSub,
    accMul,
    accDiv
  }
  