文档介绍：(一) 2+1= 9+6= 8+5= 3+8= 8+8= 12+3= 7+6= 7+8= 6+6= 3+9= 5+6= 5+8= 4+7= 8+4= 4+9= 6+8= 8+6= 9-4 = 3+6 = 4+8= 8-1 = 6-6 = 5+6 = 8+2 = 2+9= 10-6 = 5+3 = 6+9 = 16-6 = 9+8= 3+4 = 7+5 = 10+4 = 8+7= 9+9= 5+9= 7+7= 9+7= 19-15= 13+5= 8+1= 15-15= 13-2= 8+9= 3+1= 8+8= 11-10= 7-2 = 6 +() =9 ()+ 6=15 2+5- 6= 9-8+ 5= 4+4- 8= 5 +() =10 2+ () =10 4+9- 6= 10 -8+ 2= 7+2- 8= 订正栏: 3 分钟对( )题得分: (二) 8+10 = 3+7= 4+7 = 9-6 = 7+4 = 2+6 = 8+9 = 10-3 = 8+7 = 9+3 = 8+1 = 8-7 = 5+8 = 7+0 = 9+5 = 17-10 = 18-2= 10-10= 19-11= 5+2= 18-11= 14+2= 17-11= 18-6= 16-11= 15-11= 17+2= 9-7= 9-2 = 8+4= 14-4 = 6+6 = 10-8 = 4+9 = 5-0 = 9+7 = 6+4 = 9-3 = 5+4 = 3+9 = 3+5 = 8+3 = 8-3 = 8+8 = 10+7 = 14-11= 17-6= 12-11= 4+() =14 3+() =12 7-5+ 9= 13 -8+ 4=7+7- 6= 4+( ) =69+( ) =9 2+7-0 = 7+6-10 = 9-1+4 = 订正栏: 3 分钟对( )题得分: (三) 11-11= 8+7= 9+1= 11+1= 16+1= 17+1= 12-3= 11-4= 7+4= 9+4= 12-6= 5+ 6= 13-6= 7+6= 9+5= 9+3= 8+4= 17-8= 7-7= 5+5= 5+7= 12-3= 11-4= 16-7= 12-4= 10-8= 10+6= 7+4= 9+4= 7+5= 2+9= 3-2= 15-7= 17-7= 15-9= 16-6= 11-4= 9+6= 7+3= 10-5= 7+9= 6+5= 8+7= 7+5= 7+10= 0+7= 7+4= 9+5= 9+9= 12-4= 12-3= 11-6= 14-8= 13-6= 4+() =12 ()+ 6=13 12 -3+ 7= 11 -3+ 6=6+9- 5= ()+ 7=15 ()+ 5=14 6+8- 5=6+8- 8= 12 -6+ 9= 订正栏: 3 分钟对( )题得分: (四) 1+2= 5+8= 1+9 = 7+7 = 6+2 = 3+8 = 19-9 = 6+3 = 7+9 = 10-1 = 5+10 = 7+8 = 8-5 = 6-4 = 9+6 = 0+9 = 6+5 = 9+2 = 8-2 = 5+1= 5-2= 7-1= 3+9= 5+5= 3+1= 3+5= 6-3= 6+4= 4+2= 4+5= 10-4= 7-2= 3+7= 7+2= 8-1= 10-7= 7+1