北师大版小学数学一年级上册,七、有几瓶 牛奶,9,5,一共有几瓶牛奶?,14,9,+,5,=,14,1,4,10,9,+,5,=,14,5,4,10,9,+,5,=,1,4,10,14,9,+,5,=,4,5,10,14,淘气的方法:,笑笑的方法:,一共有( )朵。,9,+,7,=,16,1,6,10,16,圈一圈 算一算,9+2=,9+6=,9+9=,4+9=,11,15,18,13,1、,9+1+2=,9+3=,9+1+5=,9+6=,9+1+7=,9+8=,9+2=119+3=129+4=139+5=149+6=159+7=169+8=179+9=18,找规律,一共有几条鱼?,9,8,17,2、,3、,4、,5、,