直接写出得数．
20+30= 12×3= 3.5﹣0.2= 33÷1.1 99×6=
0.65+2.35= 0.1×0.03= 651﹣105= 2﹣
= 
+
=
1÷
= 
×26= ÷
= 
﹣
= 12÷
×0=
2+
= 
×
= 
+
+
= 
×
×5= （0.27+0.9）÷0.9=
直接写出得数．
20+30= 12×3= 3.5﹣0.2= 33÷1.1 99×6=
0.65+2.35= 0.1×0.03= 651﹣105= 2﹣= +=
1÷= ×26= ÷= ﹣= 12÷×0=
2+= ×= ++= ××5= （0.27+0.9）÷0.9=
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