（旅顺口区）光明小学要购买60张办公桌，甲、乙两个商场的相同办公桌都是每张200元，但优惠策略不一样，请你帮助算一算，到哪家商场购买省钱？至少需要多少元？
直接写得数=== 3÷8=========
直接写出得数． 93= 8.7﹣7=÷1= 21÷7= 7×÷7×= 44÷= 75÷10%= 0.9+99×0.9=
直接写出得数．
直接写出得数．÷=+=÷=×= 1÷0.25=÷1=÷3=﹣=
直接写出得数．÷=×3= 6×=+×7= 100÷10%=÷1=÷7=
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= 75÷10%= 0.9+99×0.9=
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