20以内的进位加法\n62()4()372()31()94()8()3415255\n填（）:9+()=108+()=106+()=105+()=10123457+()=102+()=108\n9+4=131310\n\n7+6=13\n8+3=11\n\n\n\n\n\n1\n7+8=9+5=5+6=7+5=141511127+6=4+8=9+2=5+8=13121113口算：\n12+=+=+=+=48125712391211112\n12+=+=+=+=48125712391211112\n12+=+=+=+=48125712391221012\n12+=+=+=+=48125712391210212\n12+=+=+=+=4812571239129312\n12+=+=+=+=4812571239128412\n12+=+=+=+=4812571239127512\n12+=+=+=+=4812571239126612\n12+=+=+=+=48125712391212012