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100-6-1880
27+46+880
56-36+4560
65-30+2056
7×6+24= 12+6÷2=
8×5-24= 15-8÷2=
13×7-3×7= 20+3×6=
5×9+2×9= 50-4×8=
24÷3+22= 2×4×9=
9+5+6= 14-7+3= 15-8-3=
9+(5+6) = 14-(7+3)= 15-(8-3)=
54-5+30= 76-6-8= 85-9-23=
54+2-11= 35-(8+16)= 39-(13-7)=
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