直接写得数
1.56×1000= 0.4+1.5= 32.1×0.2=
7×0.9= 3.2÷32= 4.3﹣2.3=
9.8﹣8.9= 0×0.13×2= 2.7×3=
104×0.1= 1﹣0.78= 0.36÷0.09=
直接写得数
1.56×1000= 0.4+1.5= 32.1×0.2=
7×0.9= 3.2÷32= 4.3﹣2.3=
9.8﹣8.9= 0×0.13×2= 2.7×3=
104×0.1= 1﹣0.78= 0.36÷0.09=
+
= 
+
=
﹣
= 15﹣
=
= 
= 
= 
=
= 
= 
= 
=
+
= 
+
= 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=
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