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> pǐnr:芢in kilograms l t cm s of iron weigThe area of a chs 8 grams.41 ourtyard is 3750 m*.「covering it with gravel to a leight ofFind the cost oI cn if the gravel costs6.40 per cubte metre.hall of Ieneth 16 m, breadth 12.5 mand

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