用计算器计算．321003﹣7230﹦ 95324+596﹦201×99﹦ 4830÷69﹦424+603﹣195﹦ 878﹣125+60﹦
直接写出得数+= += ﹣0.125= ﹣= +0.3=10﹣= ×= ×= ×= 10×=
口算：﹣= += ×= 25×10%=
直接写得数．﹣= 3+1= ×6= 7.43﹣1.4﹣2.6= 1÷=5.1+0.3= 0÷（﹣）= 25×4= 5.4÷0.3=
直接写得数2﹣= ×= 20%÷=×30%= 3.5+1.5= 0.5×=
直接写出得数+=1÷0.25= 3.14×8= 6.3×= 2.4÷=×= 80×40%= 21÷= ﹣×5= ×18×=
+
= 
+
= 
﹣0.125= 
﹣
= 
+0.3=
= 
×
= 
×
= 
×
= 10×
=
﹣
= 
+
= 
×
= 25×10%=
﹣
= 3+1
= 
×6= 7.43﹣1.4﹣2.6= 1÷
=
﹣
）= 25×4= 5.4÷0.3=
= 
×
= 20%÷
=
×30%= 3.5+1.5= 0.5×
+
=
= 2.4÷
=
×
= 80×40%= 21÷
= 
﹣
×5= 
×18×
=
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