直接写出得数380×4= 41×5= 47+53= 1000﹣300=198﹣89= 306÷3= 52+68= 20×500=150×3= 750﹣570=
直接写出得数．④36.36÷36=②×=③2.5×1.5×4=
直接写得数．1÷0.05= 0.325+= （0.2）2=10﹣0.01= = 3.1×0.7=
1.45×5= ×2.4= ×3÷= 1.6×0.125=4.7×9+4.7= 1.25×6.3×8= 6.5×2÷5= 15÷×=×2÷×2= 1÷﹣÷1=
直接写出得数0.4+4.73======
直接写出得数．12.25﹣0.5= 0.23+177%= 2.5×4= ﹣=×= 0.6÷= 2÷1%= ×21=
×
=
= （0.2）2=
= 3.1×0.7=
×2.4= 
×3÷= 1.6×0.125=
×=
×2÷×2= 1÷
﹣÷1=×2.4= ×3÷= 1.6×0.125=×=×2÷×2= 1÷﹣÷1=
=
=
=
=
=
﹣
=
×
= 0.6÷
= 2÷1%= 
×21=
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