无
*注意事项:
4+6= 10-7= 8+2= 10-9=
5+5= 10-3= 3+7= 10-1=
□+□=□ □-□=□
10-6 5 10+6 15 3+6 10-5
4+6 7 10-2 6 10-6 10-4
3 + 6 = 9 + 2 + 8 = 5 + 1 + 6 = 8 -
+ 6 =4 + 10 - 6 = - + 3 = 9 +
□+□=□
□-□=□
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