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III. DIRECTION: Follow the order of operation rules to find the answer.
11.) 3 + 15 - 6 + 8 =
12.) 12 - 4x2 + 3 =
13.) 48 - 8 + 2-5 =
14.) 56 - 7x22 =
15.) 2 + 49 = 7 - 6 =​