8×[0.5+{100.8÷2of0.7-(3.6÷1.2×5)}]
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8×[0.5+{100.8÷2of0.7-(3.6÷1.2×5)}]
=8×[0.5+{100.8÷2×0.7-(3.6÷1.2×5)}]
=8×[0.5+{100.8÷1.4-(3.6÷1.2×5)}]
=8×[0.5+{72-(3.6÷1.2×5)}]
=8×[0.5+{72-(3.6÷6)}]
=8×[0.5+{72-0.6}]
=8×[0.5+71.4]
=8×71.9
=575.2
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