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42-16+36=
42-19+17=
75-59-18=
24+38+36=
42-23-17=
71-19+32=
62-56+54=
17-25+57=
22+55-45＝
46-28+22=
70-42+36=
72-54+26=
75-33-29=
40-12+27=
76-37-48=
79-64+38=
56+46-36=
55+38-50=
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