读算式,选答案,将序号写在横线上. 
（1）two + four =__________
（2）nine ÷ three ="_____________"
（3）four + ____________=" nine"
（4）seven + three ="_____________"
（5）_______ - one = six
（6）two × four ="_______________"
读算式,选答案,将序号写在横线上.
（1）two + four =__________
（2）nine ÷ three ="_____________"
（3）four + ____________=" nine"
（4）seven + three ="_____________"
（5）_______ - one = six
（6）two × four ="_______________"
粤公网安备 44130202000953号