苏教版一年级数学下册,十几减九,,1个十和4个一合起来是（ ）。,14,16里面有（ ）个十和（ ）个一。,1,6,9 + 7 =,8 5 =,7 + 8 =,109 =,6 + 8 =,5 + 7 =,7 + 6 =,9 3 =,16,15,3,1,14,6,12,13,水果店,,4,1，,2，,3，,4,9,4,,4,4,,3,7,,？条,,3,,1,5,9,,2,10,7,4,,8,6,2,9,4,5,6,7,8,3,10,11 9=,12 9=,13 9=,14 9=,15 9=,16 9=,17 9=,18 9=,19 9=,你发现了什么？,,
