Four from seven leaves three.7减4余3.哪个是主语?

Four from seven leaves three.7减4余3.哪个是主语? Seven from ten leaves three. Four plus three are seven. FOUR+FOUR=ELGHT和THREE+FOUR=SEVEN怎么解这道题?{是数字}如题 two three four five six seven eight Three plus four equals seven 句子成分 ______ four plus three?It's seven 把THREE+FOUR=SEVEN转成数字 1-100英文怎么写1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 24-7怎么发音?如题,是读twenty-four hyphen seven 或者twenty-four seven 有首歌中间是one two three four five six seven eight nine 后面是NONONO three and four is seven 对划线部分提问 画线部分是seven it's her telephon