口算：35+416= ； 710﹣182 ； 51.7﹣34.8 ； += 1 ；125×8= ； 468÷12= ； 1.25×2.4= ． ÷=
= = = 1= 1.2×= 1=6= = 3= 0.9﹣= 0.75+= 24×=
直接写出得数3×= ÷= 18÷= ××0=+= ×= ÷10= 1÷﹣÷1=
直接写得数．×= ×3= 0÷= ÷= ×=×39= ×= ÷= ÷= ÷3=
直接写数对又快！= = = == = = == =
直接写出得数10﹣0.1= += 1÷= 14﹣﹣=×= ﹣= ×= （+）×72=
+
= 1
；
÷
= 
= 
= 
= 1
= 1.2×
= 1
=
= 
= 3
= 0.9﹣
= 0.75+
= 24×
=
= 
÷
= 18÷
= 
×
×0=
+
= 
×
= 
÷10= 1÷
﹣
×
= 
×3= 0÷
= 
÷
= 
×
=
×39= 
×
= 
÷
= 
÷
= 
÷3=
= 
= 
= 
=
= 
= 
= 
=
= 
=
+
= 1÷
= 14﹣
﹣
=
×
= 
﹣
= 
×
= （
+
）×72=
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