haihongyuan.com

# 姜家镇小一年级(上)口算竞赛

8 - 6 = 2 + 5 = 9 - 2 = 11 + 8 = 17 - 3 = 7 + 5 = 19 - 9 = 8 + 11 = 10 - 8 = 18 - 6 = 14 + 2 = 6 + 4 = 6 + 12 = 16 - 3 = 2 + 15 = 19 - 7 = 6 + 12 = 4 + 3 + 6 = 7 + 5 + 5 = 19 - 9 - 3 = 17 - 10 - 2 = ( ) + 5 = 10 16 - ( ) = 6 9 = 4 +（ ）4+6=（ ）+ 3

5 + 4 = 10 - 7 = 7 + 2 = 12 - 2= 2 + 9 = 20 - 10 = 3 + 12 = 19 - 4 = 10 + 10 = 8 + 7 = 17 - 6 = 12 + 7 = 18 - 2 = 14 + 5 = 19 - 6 = 11 + 5 = 16 - 5 = 15 - 5 - 7 = 8 - 3 + 7 = 4 + 8 + 2 = 2 + 3 + 6 = ( ) - 6 = 6 7 + ( ) = 17 9+（ ）=14 5+（ ）= 6+7

9 - 9 = 4 + 3 = 9 - 6 = 10 + 8 = 16 - 6 = 9 + 4 = 17 - 10= 6 + 6 = 18 - 8 = 10 - 7 = 8 + 8 = 13 - 3= 20 - 10 = 15 + 3 = 14 - 2 = 7 + 4 = 19 - 8 = 3 + 7 - 9 = 13 -3 + 5 = 12 - 2 - 1 = 7 + 9 - 6 = 18 - ( ) = 11 ( ) - 9 = 10 （ ）+6=14 14-4=（ ）+6

5 + 14 = 18 - 7 = 5 + 9 = 12 - 12 = 14 + 3 = 18 - 10 = 6 + 5 = 10 - 7 = 9 + 3 = 7 + 7 = 19 - 7= 9 + 5 = 16 - 4 = 18 - 5 = 7 + 12 = 5 + 8 = 4 + 8 = 14 - 10 + 6 = 6 + 5 - 7 = 10 + 5 - 3= 4 + 3 + 6 = 20 - ( ) = 18 15 + ( ) = 20 5+（ ）=13 6 +7=( )-1