能简算的要简算7.6×35%+6.5×0.76 （+）×15×17 +2004÷．
怎样算简便就怎样算． ①8×0.4×12.5×25% ②×7×5 ③×1997+ ④197×+．
直接写出得数． 12×（+）= +﹣=9﹣﹣=×24÷= ：=．
怎样算简便就怎样算． ① ②（7.5+7.5+7.5+7.5）×125×2 ③ ④．
怎样算简便就怎样算． ①②73÷0.8÷12.5③④．
怎样简便就怎样算． ①﹣0.375+﹣②12.5×0.32×25③÷6+×④×0.25+×．
+
）×15×17 
+2004÷
．
×7×5 ③
×1997+
+
．
+
）= 
+
﹣
=9﹣
﹣
=
×24÷
=
．
②（7.5+7.5+7.5+7.5）×125×2 ③
④
．
②73÷0.8÷12.5③
④
．
﹣0.375+
﹣
②12.5×0.32×25③
÷6+
×
④
×0.25+
×
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