学校跑道的长是80米，宽是6米．要给这段跑道铺上塑胶，铺塑胶面积是多少平方米？如果每平方米塑胶160元，铺这条塑胶跑道需要多少元？
口算我最棒!÷3=﹣= 8÷=×8= 30×50%= 0.25×29×4= 6÷120%= 1﹣97%=
+= 8÷=×= 3÷= 4×==÷===
直接写出得数．﹣=×=÷6= 1﹣10%=÷=÷= 1÷20%=+=×= 20×90%=
直接写出得数．÷=÷3= 12×= 2﹣=+=×= 2÷=+= 20÷=×=
+=×=+120=×120=×= 40﹣2=×=+﹣=
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÷3=
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