167 + 10 = , 274 - 10 = , 438 - 100 = , 542 + 100 = , 274 + 100 = , 542 - 10 = , 167 - 100 =, 438 +10 = , 274 - 100 = , 167 + 100 = , 542 + 10 = , 438 - 10 =, 542 - 100 = , 167 - 10 =, 274 + 10 = , 438 + 100 = .

Add and Subtract 10 and 100

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