一年级100以内加法口算练习题五三天天练精华版（7）带答案

40+37 =42+44=49+31 =40+25 =45+42=38+38 =36+41 =36+48 =36+49 =45+31 =36+47 =35+37 =38+29 =37+37 =40+4