用递等式计算．（能简算的要写出主要过程）．
168.1÷（4.3×2﹣0.4） 101×26﹣52÷2 8﹣
×5﹣
2﹣
÷
÷75% 3.5÷[（
﹣
）×3] （10.4×7+10.4×2﹣10.4）×
．
用递等式计算．（能简算的要写出主要过程）．
168.1÷（4.3×2﹣0.4） 101×26﹣52÷2 8﹣×5﹣
2﹣÷÷75% 3.5÷[（﹣）×3] （10.4×7+10.4×2﹣10.4）×．
= 72×
= 12÷
=
÷3=
=3÷
=
×
=
×0=
×15=
×2=
×
=
×
=
÷
=
÷3=
÷5=
÷
=
=
÷4=
×3= 1÷
= 1﹣
﹣
×
= 3﹣4×
=
×12=
÷
=
+
= 1﹣
﹣
=
﹣
=
×3=
×
=
﹣0.25= 72×
=
÷
=
÷
= 36÷
=
÷
=
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