3+1= 7+3= 6+2= 5-2= 8-7-0=
10-5= 8-3= 3+6= 9+1= 9-4+4=
9-8= 10-2= 7-4= 9-6= 7+0+2=
4+4= 9-9= 4+6= 10-0= 5+5-3=
()+4=7 6+()=10 ()+()=6 3+()=2+8
()+5=9 4+()=8 ()+()=4 ()+4=6+3
10-()=2 ()-3=7 ()+()=5 2+6=5+()
二、想一想,比一比,在○里填上>、 B: