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{180-7(24×11-11×23+39:13)]-[54÷(72÷8)]}÷(76-9×8)​

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{180-7(24×11-11×23+39:13)]-[54÷(72÷8)]}÷(76-9×8)​=[180-7(264-253+3)-(54:9)]:(76-72)=[180-7(1+3)-6]:4=(180-7*4-6):4=(180-28-6):4=146:4=36,5

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