十 几 减 5 、 4 、 3 、 2 9+ ( ) =11 9+( ) =14 8+ ( ) =12 8+( ) =11 7+ ( ) =11 6+( ) =1154345211 - 8 = 13 - 7 = 13 - 6 = 18 - 9 = 15 - 8 = 17 - 9 = 11 - 7 = 14 - 6 = 3679784815 - 9 = 12 - 7 = 13 - 9 = 15 - 7 = 11 - 6 = 16 - 9 = 17 - 8 = 14 - 8 = 65485796试一试12-5=12-4= 12-3=78911-2=11-3= 11-4=98797614 - 5 11 - 4 11 - 3 11- 2 11 - 5 12 - 4 12 - 3 12- 58送 信15 - 9 = 15 - 6 = 11 - 9 = 11 - 2 = 17 - 8 = 17 - 9 = 69299811 - 8 = 11 - 3 = 16 - 9 = 16 - 7 = 11 - 4 = 11 - 7 = 38797413 - 2 = 13 - 3 = 13 - 4 = 13 - 5 = 13 - 6 = 13 - 7 = 1110987615 - 9 = 15 - 8 = 15 - 7 = 15 - 6 = 15 - 5 = 15 - 4 = 67891011 7 + 6 =13 - 7 = 13 - 6 = 8 + 7 = 15 - 8 = 15 - 7 = 13671578 7 + 5 = 12 - 5 = 12 - 7 = 6 + 5 = 11 - 5 = 11 - 6 = 1275 116512 只?只=(只)12 - 4811 人? 人=(人)11 -2913 个=(个)13 -49还剩多少瓶?14 - 5 = 9(瓶)答:还剩 9 瓶。