做算术,填英语单词:20+()=40 ()+15=() ()+30=65 21+26=( )

问题描述:

做算术,填英语单词:20+()=40 ()+15=() ()+30=65 21+26=( )

20+(twenty)=40 (one)+15=(sixteen) (thirty-five)+30=65 21+26=(forty-seven )

twenty
five,twenty
thirty-five
forty-seven