简便计算43×99+43 ﹣+﹣ ×﹣÷13 3.5×98+35×0.2 250×+250× ×12.5××8．
直接写出得数：×2= 6×=×=×1=×=+=×=﹣=
计算下面各题．×××．
直接写出得数． 35×=×=×=×= 24×=×=×= 0×=×6=×=×= 24×=
×1= 0×=×1000= 44×=
小时的是多少小时？
﹣
+
﹣
×
﹣
÷13 
+250×
×12.5×
×8．
×2= 6×
=
×
=
×1=
×
=
+
=
×
=
﹣
=
×
×
×
．
=
×
=
×
=
×
=
=
×
=
=
×6=
×
=
×
= 24×
=
×1= 0×
=
×1000= 44×
小时的
是多少小时？
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