直接写得数．×= ÷= ÷4=1÷= 0.25÷0375= 28÷=÷= 9÷= 12÷=0÷×=
直接写出下列各题得数．2.5×8= ﹣= ﹣= 2.54+4.6=+= 8.2﹣5.6= += +=
直接写出得数：0.25×4= 5.4+4.6= +=﹣= += ﹣+=
口算0.24×40= ﹣= += 7÷50= +7= 15.42﹣6.3=
直接写出得数.4.1×0.5= 7.6×2.5×4= 2.88÷0.4= 1.35÷5= 2.5﹣1.37=+= += ++= += +=
用竖式计算：3.2×0.73=8﹣6.93=56.7÷0.14=
×
= 
÷
÷4=
= 0.25÷0375= 28÷
=
÷
= 9÷
= 12÷
=
×
=
﹣
= 
﹣
= 2.54+4.6=
+
= 8.2﹣5.6= 
+
= 
+
=
+
=
﹣
= 
+
= 
+
=
﹣
= 
+
= 7÷50= 
+7= 15.42﹣6.3=
+
= 
+
= 
+
+
= 
+
+
=
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