计算下面各题，能简便计算的要简便计算．
①26.7+3.3×1.2+0.04 ②4.8×12.5×0.8 ③2.5×（6+9.728÷3.2）
④24×10.2 ⑤6.3÷（2.1×2） ⑥100.8÷[（10.79+6.49）÷4.8]．
计算下面各题，能简便计算的要简便计算．
①26.7+3.3×1.2+0.04 ②4.8×12.5×0.8 ③2.5×（6+9.728÷3.2）
④24×10.2 ⑤6.3÷（2.1×2） ⑥100.8÷[（10.79+6.49）÷4.8]．
×
=
×4=
×
×
= 3×
=
÷2=
=
×
= 12
=
﹣1÷2=
×
=
÷
÷26=
=
=
=
×
÷
=
=
= 1.2÷
=
×
=
÷5= 1÷
= 15×
= 1.25×
=
×4=
÷
= 1.8﹣40%= 12×（
+
）=
×6+4×
=
=
=
=
=
=
=
=
=
=
=
=
×0
×
×12
÷
1÷
÷2
÷
×
×
．
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