9x [0.7 + {104.4 ÷ 2 of 0.6-(4.4 ÷ 2.2 x 2)}]
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9×[0.7+{104.4÷2×0.6-(-4.4÷2.2×2)}]
=9×[0.7+{104.4÷2×0.6-(-2×2)}]
=9×[0.7+{104.4÷2×0.6+4}]
=9×[0.7+{52.2×0.6+4}]
=9×[0.7+{31.32+4}]
=9×[0.7+35.32]
=9×36.02
=324.18
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