直接写出得数．650÷50= 103×40= 1000÷125= 37+68×0= 56×78×0= 523+497=
直接写结果：×3= 1÷= 1﹣﹣= ×= 3﹣4×=×12= ÷= += 1﹣﹣= ﹣=
直接写出得数×3= ×= ﹣0.25= 72×=÷= ÷= 36÷= ÷=
直接写得数．×16= 12÷= 0.3×=÷= 1÷= 0×== =
直接写得数4÷= 0×= ÷= ×1.4= ×=0÷= ×10= 30×0.05=
直接写出得数．= = = == = = =
×3= 1÷
= 1﹣
﹣
×
= 3﹣4×
=
×12= 
÷
= 
+
= 1﹣
﹣
= 
﹣
=
×3= 
×
= 
﹣0.25= 72×
=
÷
= 
÷
= 36÷
= 
÷
=
×16= 12÷
= 0.3×
=
÷
= 1÷
= 0×
=
= 
=
= 0×
= 
÷
×1.4= 
×
= 
×10= 30×0.05=
= 
= 
= 
=
= 
= 
= 
=
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