把5米长的绳子，剪成相等的6段，每段占全长的几分之几？每段长多少米？
算一算．×3= ×4= ×2== ÷3= ÷4=÷2= ÷2=
开火车．
直接写得数= = = == 9×= 0.8﹣= =
× 6×8 +÷ 2.4× 1﹣72%
直接写出得数：0.6÷0.15= ÷100= （+）×63= ﹣0.25=0.5÷= 0.4÷40%= 5.47﹣1.8﹣3.2= 0.42﹣0.32=
×3= 
×4= 
×2=
= 
÷3= 
÷4=
÷2= 
÷2=
= 
= 
= 
=
= 9×
= 0.8﹣
= 
=
×
6
×8 
+
÷
÷100= （
+
）×63= 
﹣0.25=
= 0.4÷40%= 5.47﹣1.8﹣3.2= 0.42﹣0.32=
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