递等式计算（能简便的要用简便方法计算）．
①（1÷0.5+0.5÷1）×3.2
②0.25×3.7×（3.8+0.2）
③52.8÷[18.2﹣（4.24÷0.8﹣0.3）]
④0.375×8﹣0.8+7.25×0.8．
相关试题
递等式计算（能简便的要用简便方法计算）．
①（1÷0.5+0.5÷1）×3.2
②0.25×3.7×（3.8+0.2）
③52.8÷[18.2﹣（4.24÷0.8﹣0.3）]
④0.375×8﹣0.8+7.25×0.8．
÷12=
÷
= 1÷
= 84×
÷84×
=
×
= 2.1÷
=
= 0÷
+
=
×
=
÷2= 12×
= 3÷
=
﹣
×
=
÷
=
×14= 1﹣
×
= 6×
=
÷
=
×3= 0÷
= 0.5+
=
×
=
=
÷
= 2﹣
﹣
= 16.5+4.7=
÷3÷
=
×
= 15÷1%= 0.52= 3.14×6=
÷
= 0.375×
=
×3÷
粤公网安备 44130202000953号