问题
填空题
算一算,选一选。
1.one + two = 2.seven - = one
3.four + one = 4. - eight = two
A.three B.five C.ten D.six
答案
1.A 2.D 3.B 4.C
算一算,选一选。
1.one + two = 2.seven - = one
3.four + one = 4. - eight = two
A.three B.five C.ten D.six
1.A 2.D 3.B 4.C