9.Forty plus fifty _______(be) ninety.大哥你会吗?

9.Forty plus fifty _______(be) ninety.大哥你会吗? 9.Forty plus fifty _______(be) ninety. forty plus fifty ten twenty thirty forty fifty sixty seventy eighty ninety a Forty and fifty( ) （be）eighty fourteen,forty,nine,ninety序数词 forty-nine和ninety-one forty-one+( )=fifty ninety - nine and forty is（ ）. three,five,fifteen,three,twelve,thity-one,fifty-five,ninety- 有首英文歌歌词里有句forty ninety 的是什么歌 ninety+five=多少,forty-eight-twelve=多少,eighty-forty=多少?速回