two added to three equals five中,为什么用added而不用adds?

这句话对吗?Two added to three equals five． Two added to three five中add可以换为added吗? two added to three equals five中,为什么用added而不用adds? Two added to three is five.为什么add要加ed 又为什么要加to?Two added to three is five.为什么add要加ed 又为什么要加to? one added to three is four中added to three 在句子中充当什么成分?顺便说一下为什么用added, 求英语数学题目翻译!three times one number added to five times another number is 54. the second number is two less than the first.find the numbers Three added to four makes seven 中add为什么加ed啊The bad weather added to our difficulties 还有这个 three added to seven makes ten为什么要用added,为什么加ed如果是被动的话，为什么不加be动词呢 Added to our THREE TWO THREE怎么样 three added ten makes thirteen是什么意思 four is to six what two is to three Three added to four makes seven 中add为什么加ed?而且被动语态不是应该要有be动词吗? She added( two spoons of) sugar to the mixture.(对打括号的题问)____ _______sugar_____ she______to the mixture? 为什么用but转折?Twenty volunteers were to make up the first group,but consequently two more members were added. take one capsule two to three times daily 翻译 add three to five,then divide the sum by two two to three weeks before the shipment of products