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54 + 46
100
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63 − 29
34
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12 + 7
19
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45 − 18
27
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72 − 35
37
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25 + 36
61
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48 + 12
60
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58 − 24
34
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63 + 27
90
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100 − 67
33
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90 − 45
45
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9 + 18
27
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