将假分数化成带分数或整数，把带分数化成假分数．= = = == = = 6=
0.46+1.54= ；+= ； ÷80%= ； 25×0.16×8= ；44÷= ； ×= ； 1÷0.5×2= ； （﹣）+= ．
直接写得数+= ﹣= ×= ÷=÷= 20×= ×5= ÷5=
直接写得数．9.3×7.9≈ ×0.5=1 ×= +=÷2= ×5÷×5= 0.42= 0.561×100=
直接写出得数+= ÷45%= 30﹣29.02= ﹣+=（×12= 1.25××8= 8.2+0.54+0.46= ÷﹣=
直接写出得数= == 0.9+99×0.9=8.8÷0.2= == =
= 
= 
= 
=
= 
= 
= 6=
+
= ； 
÷80%= ； 25×0.16×8= ；
= ； 
×
= ； 1÷0.5×2= ； （
﹣
）+
= ．
+
= 
﹣
= 
×
= 
÷
=
÷
= 20×
= 
×5= 
÷5=
×
= 
+
=
÷2= 
+
= 
÷45%= 30﹣29.02= 
﹣
+
=
×12= 1.25×
×8= 8.2+0.54+0.46= 
÷
= 
=
= 0.9+99×0.9=
=
= 
=
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