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2.7÷452.5X2.4
=2.7X2.4/452.5
=2.7X4.8/905
=(2.7X5-2.7*0.2)/905
=(13.5-0.54)/905
=12.96/905
=1296/90500
=324/22625
=2.7X2.4/452.5
=2.7X4.8/905
=(2.7X5-2.7*0.2)/905
=(13.5-0.54)/905
=12.96/905
=1296/90500
=324/22625
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