=3 | =2 | =5 |
3+1+4= | 0+8-3= |
8-7+6= | 10-8+4= |
5+3+1= | 10-0-7= |
5+1+3= 10-5+4= 6+2-3=
8 = (人)
9-5+3= | 6+0+3= |
4+6-8=
6+4-5=
在 里填上合适的数.
①5+3 ②10-3 ③8-1-2 ④2+6
⑤9-1 ⑥5-0 ⑦9-1-1 ⑧4+6-0
⑨7+1+2 ⑩10-5
( )+( )=( )+( )
( )-( )=( )-( )
( )+( )-( )=( )
( )-( )+( )=( )
4+3= 1+8= 7-2= 6+3= 8-1=
10-7= 9-4= 2+6= 4+5= 0+7=
8-5+4= 3+5-7= 9-6-3=