144.15÷15.5÷0.03=
21.44÷3.2-1.8=
39.22÷3.7×2.5=
6.02÷9.3-1.14=
 6.12÷3.4÷2.5=
9.36×9÷1.8=
分析：（1）（3）（5）（6）按照從左到右的順序計(jì)算；
（2）（4）先算除法，再算減法．
解答：解：（1）144.15÷15.5÷0.03
=9.3÷0.03
=310；

（2）21.44÷3.2-1.8
=6.7-1.8
=4.9；

（3）39.22÷3.7×2.5
=10.6×2.5
=26.5；

（4）6.02÷9.3-1.14
≈0.65-1.14
=-0.49；

（5）6.12÷3.4÷2.5
=1.8÷2.5
=0.72；

（6）9.36×9÷1.8
=84.24÷1.8
=46.8．
點(diǎn)評(píng)：此題考查小數(shù)的混合運(yùn)算，注意抓住運(yùn)算順序，正確按運(yùn)算順序計(jì)算即可．
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