20以内加法表 姓名: 11 12 13 14 15 16 17 18 用凑十法计算： 9 + 4 = 8 + 6= 6 + 7= 8 + 4 = 9 + 6= 8+ 7= 4 + 7 = 3 + 8= 6 + 5= 5 + 7 = 3 + 9= 6 + 6= 2+ 9 = 5 + 9= 8 + 5= 9 + 9= 7 + 8= 5 + 6= 20以内数的分解 姓名: 11 12 13 14 9+( )=11 ( )+4=12 8+( )=15 ( )+7=13 ( )+6=15 ( )+5=13 ( )+9=16 ( )+6=15 2+( )=12 ( )+11=19 9+( )=11 ( )+4=12 8+( )=15 ( )+7=13 6+( )=12 8+( )=16 6+( )=11 12+( )=17 ( )+5=14 7+( )=11 9+( )=17 6+( )=15 7+( )=10 9+( )=18 15 16 )=8 ( )-8=3 16-( 17 18 )=8 14-( )=9 12-( )=4 15-( )=6 12-( )=7 13-( )=5 14-( )=8 ( )-9=4 15-( ( )-9=7 16-( )=9 15-( )=6 10-( )=9 13-( )=8 ( )-4=8 ( )-5=10 14-( )=6 11-( )=2 ( )-5=6 ( )-3=12( )-8=8 ( )-6=6 ( )-7=11 本文来源：https://www.wddqw.com/doc/306d99b5302b3169a45177232f60ddccdb38e6f7.html