43 + 5 = 55 + 4 = 67 + 2 = 3 + 62 =
43 +50 = 55 +40 = 67 +20 = 30 +62 =
87 – 60 = 68 – 30 = 45 – 40 = 56 – 20 =
87 – 6 = 68 – 3 = 45 – 4 = 56 – 2 =
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