能简算的要简算7.6×35%+6.5×0.76 （+）×15×17 +2004÷．
直接写出得数 7÷= 24%×5= 5÷5%= 6.4×=+×=×7÷= 12×+6×= 1﹣+= 8÷﹣0.5=+0.9=
直接写得数．×=÷2=×= 68÷10%=×72%×÷=﹣+= 1﹣﹣= 80%﹣20%= 4×25%+16×25%=×÷×=（+）×12=
===== 0×1.27====== 1.5÷25%+1.5=
口算：× 45×÷10 0÷ 54×÷×64 12÷（﹣）×24 3×÷3×．
直接写出得数×= 1﹣=÷1=÷=×= 2.5×=×= 52×=×÷×= 0÷5×=
+
）×15×17 
+2004÷
．
= 24%×5= 5÷5%= 6.4×
=
+
×
=
×7÷
+6×
+
= 8÷
﹣0.5=
+0.9=
×
=
÷2=
= 68÷10%=
×72%
×
÷
=
﹣
+
= 1﹣
﹣
=
×
÷
×
=（
+
）×12=
=
=
=
=
= 0×1.27=
=
=
=
=
= 1.5÷25%+1.5=
×
45×
÷10 0÷
54×
÷
×64 12÷
（
﹣
）×24 3×
÷3×
×
= 1﹣
=
÷1=
÷
=
×
= 2.5×
=
×
= 52×
=
×
÷
×
= 0÷5×
=
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