直接写得数.+
=
+
=
﹣
= 10﹣4.8﹣3.2=
1﹣= 0.5×0.2÷0.5×0.2= 1﹣
﹣
=
﹣
=
0.125×0.25×32= 7﹣6.38= +
= 3.9+6.1﹣3.9+6.1=
直接写得数.+
=
+
=
﹣
= 10﹣4.8﹣3.2=
1﹣= 0.5×0.2÷0.5×0.2= 1﹣
﹣
=
﹣
=
0.125×0.25×32= 7﹣6.38= +
= 3.9+6.1﹣3.9+6.1=