小学一年级10以内加减法口算题卡10套1000道

+ 5 =+ 5 =6 =+ 5 =6 = TOC \o "1-5" \h \z + 4 =+ 5 =6 = TOC \o "1-5" \h \z + 4 =10- 5 =+ 5 =6 = TOC \