直接写出得数．4π= ×= ÷= ×0.8=0.75+= ÷= 1÷25%= 0÷=0.52= ÷= 5÷= 2﹣=
38+29= 9×6-25= 39-30÷6=45-39= 100-9×9= 45+45÷5=
18+83= 5×3＋95= 28-50÷10=62-32= 29-1×2= 33+15÷3=
27+93= 0×6-0= 59-30÷10=56-23= 98-9×9= 25+35÷5=
竖式计算。700-394=600-298=
列竖式计算。705-639=597-279=
×
= 
÷
= 
×0.8=
= 
÷
= 1÷25%= 0÷
=
÷
= 2﹣
=
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