题目
用相应的数词完成下列算式。
(1)
four + six=
(2)
five +six =
(3)
four + eight =
(4)
nine + four=
(5)
seven + seven =
(6)
seven + eight =
(7)
eight + eight =
(8)
nine + eight=
答案: 【1】ten
【1】eleven
【1】twelve
【1】thirteen
【1】fourteen
【1】fifteen
【1】sixteen
【1】seventeen