小学一年级30以内加减混合口算题

14 - 8 =18 - 14 =18 + 7 =13 + 13 =17 - 7 =21 + 4 =26 + 3 =23 + 3 =13 + 10 =25 + 5 =11 + 7 =26 + 3 =1

腾讯文库小学一年级30以内加减混合口算题小学一年级30以内加减混合口算题