10-7=
= (只)
8+1 6+4 9-1
我排在前,最大,我是;我排在中间,比7多1,我是;我排在最后,最小,我是。
( )+ 5 = 9 1 +( ) = 7 4 +( ) = 8
3 +( ) = 8 ( )+ 4 = 6 ( )+ 4 = 7
□○□=□
4+4= 8-5= 9-7= 0+5= 6+4=
7-0= 4+6= 9-3= 7-4= 5+5=
0+8= 10-9= 10-4= 7+3= 3-3=
9-2= 2+8= 9+1= 9-3= 3+6=
①5+2+3=
②10-1-9=
③9-7+8=
④10-6+5=
⑤9-7+1=
⑥9-5+3=
(元)
(个)