35+6= 4×6= 5-5×0=
(3-3)×3= 53-34+18= 45+8=
5×2= 5-1×2= 28=( )-12
67-(27-8)= 99-8= 31-17=
2×4-5= 55-13=( )-6 84-(□-16)=34
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