事实上应该是先将第二个括号里的数字相加，然后只将第二个括号算出的数字乘以2，然后再与第一个括号里的数字相加。

Thee actual answer is to add the numbers in the second parentheses and multiply that answer - and that alone - by two, then add it to the numbers in the first parentheses.

youdao

事实上应该是先将第二个括号里的数字相加，然后只将第二个括号算出的数字乘以2，然后再与第一个括号里的数字相加。

Thee actual answer is to add the numbers in the second parentheses and multiply that answer - and that alone - by two, then add it to the numbers in the first parentheses.

youdao