脱式计算：（第（4）题要巧解）
[（8
﹣4.625）÷（2.4+1
）]×50% （0.9+1
）÷[（4
﹣3
）×0.8
81×[（4
+0.005×700）÷1
] （1﹣12.5%×8）÷（1
+
）+
．
相关试题
脱式计算：（第（4）题要巧解）
[（8﹣4.625）÷（2.4+1）]×50% （0.9+1）÷[（4﹣3）×0.8
81×[（4+0.005×700）÷1] （1﹣12.5%×8）÷（1+）+．
= ；
= ；
：0.75= ；
÷ =0.1；
= ； 32÷（1+60%）= ； 2﹣1
= ； ×40=
．
=
=
=
=
=
=
=
=
÷3= 10÷
=
÷
=
×
=
÷
=
×
= 4×
= 1﹣
=
×60=
×
=
×
×
×
=
÷5= 30÷
=
÷
=
×
÷
=
=
×
=
×
=
÷
=
÷
= 9÷
=
×
×
=
×5=
÷
= 10×
=
÷
=
×
÷
×
+
= 3﹣
﹣
= 1÷4×
=
）÷6=
÷
÷1=
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