能简算的要简算0.76×230﹣30 9.2×l.85+3.65 （7.39+7.39+7.39+7.39）×2.50.78×101 0.25×28 4.2×l.36+1.36×5.8．
直接写出得数． 0.8+99+0.8= 1÷5+=÷25%×= （﹣）×24= 5×÷5×=
口算． ①7.25+0.84=②=③1﹣0.62=④5÷5%=
18.7﹣3.375﹣6.625．
0.05+=
直接写出得数 ①= ②= ③0.1+99×0.1= ④= ⑤= ⑥=
=
÷25%×
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﹣
=③1﹣0.62=④5÷5%=
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