115=6 123=9 94=13
88=16 145=9 127=5
11-92 13-411 14-67
11-73 16-95 13-68
11-3 12-8 15-8 11-2 13-7
<<<<
13-8= 15-9= 11-2= 13-6=
12-3= 13-4= 11-5= 14-5=
4+9-8= 9+9-8= 15-8+7=
9+5-6= 11-7+8= 13-6+10=
(根)
(个)
还有几只没捉住?
(只)
( )