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45 rows of square are use for a playground.In each row,there

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45 rows of square are use for a playground.In each row,there are 32 bricks,If each area of brick i
45 rows of square are use for a playground.In each row,there are 32 bricks,If each area of brick is 0.8 ㎡,find the area of the playground.要答案与翻译
45 rows of square are use for a playground.In each row,there
用45排方砖为操场铺地,每排32块,若方砖面积是0.8平方米,求操场面积
S=45*32*0.8=1152平方米