上海人民广场地下商业步行街长300米，宽36米，它的面积有多少平方米？
= = = == = = =
口算高速直达.+= += 0.32= +2= +﹣+=﹣0.25= += 12.5×8= 2﹣﹣= ﹣+=
直接写出得数．+= 1﹣= 0.32= 1﹣+=+= 5﹣= ﹣= 0.75+=
直接写出得数．3.6+2= ﹣0.4= +0.3= +0.25= ﹣0.375= ﹣0.3=
一堆煤重吨，甲运走，乙运走几分之几后还剩下？如果还剩下吨，甲乙共运走多少吨？
= 
= 
= 
=
= 
= 
= 
=
+
= 
+
= 0.32= 
+2= 
+
﹣
=
﹣0.25= 
+
= 12.5×8= 2﹣
﹣
= 
﹣
+
=
+
= 1﹣
= 0.32= 1﹣
+
=
+
= 5﹣
= 
﹣
= 0.75+
=
= 
﹣0.4= 
+0.3= 
+0.25= 
﹣0.375= 
﹣0.3=
吨，甲运走
，乙运走几分之几后还剩下
？如果还剩下
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