直接写出得数.
312﹣105= 6.4÷0.8=﹣
=
×
÷
×
= 0.8×1.25= 3÷
=
2+= 2﹣
+
= 3÷1%= 3.25+7= 1÷
=
﹣(
)=
4.82÷0.08○4.82.
直接写出得数.
510﹣240= 2.4×5= 5.5+6= 8﹣1.8= 7.2÷0.4=﹣
= 0.32= 30÷
=
×3÷
×3= 12×(
﹣
)=
计算下面各题.
(1)用竖式计算,并验算.
20.01﹣9.94=
45.3÷75=
(2)用你喜欢的方法计算.
①960+1040÷(704﹣688)
②6.25÷0.01﹣1.25×25×8
③15.73﹣2.17﹣1.83+4.27
④×
÷
⑤3.5×+5.5×80%+0.8
⑥+1÷
.
脱口而出.
1﹣0.08= 0.29×50= 0.99×0.78×0= 8.2﹣2.75﹣1.25=
2.5×0.4÷2.5×0.4= 0.3+0.07= 0.1÷0.08= 0.32÷0.5=