①28.92-5.37+14.63
②0.96÷0.025
③2.8×0.25×1.1
④5.6×5.6-5.6+5.6×5.4
⑤(7.8+2.2×5)÷(4-3.06)
⑥36.8÷[(7.6+2.4)×1.6÷0.1]
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