推荐回答（2个）
5.7×0.85+0.57×1.5
=5.7×0.85+5.7×0.15
=5.7×（0.85+0.15)
=5.7×1
=5.7
175－75÷25 68＋35×13 725－（125＋237） %D%A%D%A（114＋166）÷35 432÷（9×8） 189－60＋40 %D%A%D%A三、简便计算。 %D¢16＋305 25×32 47＋236＋64 %D%A%D¦×（15×9） 402＋359 43＋78＋122＋257 %D%A%D¢5×（26×4） 25×44 354＋（229＋46） %D%A%D%A（1）9.26-4.38-2.62 %D%A%D%A（2）9.26-(4.38+2.26) %D%A%D%A（3）9.26-(4.38-2.74 %D%A（1）4.75-9.64+8.25-1.36 %D%A%D%A（2）14.529+(2.471-3) %D%A%D%A（3）38.68-(4.7-2.32) %D¤15－176－24 8.29＋3.7＋0.71＋6.3 %D%A%D¡25×89×8 428 ×78＋572×78 %D%A%D£. 递等式计算。 %D¡5×27－3000÷25 216＋64×42÷28 (324－285) ×12÷26 %D%A%D%A(1)60506－19460÷35 %D%A(2)23072÷412×65 %D%A(3)184×38＋116×38－11300 %D%A(4)(79691－46354)÷629 %D%A(5)325÷13×(266－250) %D%A%D%A(1)1.9÷(43.26+6.74)×3 (2)17.8+6.3÷(3.2-1.6) %D%A%D%A(3)0.4×(3.2-0.8)÷1.2 (4) 5×[(3.2+4.06)÷6.05] %D%A%D%A(5)68-(188.3-107.3)÷0.81÷0.9 (6)20.5+1.4×4÷0.4 %D%A%D¤5-30÷5= %D¢00÷(25×4)= %D¤0+60×2= %D ×140+60= %D%A%D%A一、计算并验算各题． %D%A%D¡．100.485＋72.68 %D¤．40.043－12.87 %D%A%D%A二、用简便方法计算． %D%A%D¡．125×560 %D%A%D¢．45×71＋29×45 %D%A%D£．13.6×8×125 %D%A%D¤．13.6－4.25－5.75＋6.4 %D%A%D%A．18.3－6.25－3.75＋12.7 %D%A%D¢．64×101 %D%A%D£．25×125×40×8 %D%A%D¤．73×18＋83×73 %D%A%D%A五、计算下面各题． %D%A%D¡．0.6＋0.94－0.208 %D%A%D¢．24.63－(4.63－1.85) %D%A%D£．(64－224÷14)×12 %D%A%D¤．1204×(38＋405÷27) %D%A%D%A①3871－(1080－740)×7 ②5175÷207＋102×9 %D%A%D%A③0.9＋1.08＋0.92＋0.1 ④13.59－6.91－0.09 %D%A%D%A⑤983×(3.8＋2.2)＋0.237×1000 %D%A%D%A⑥0.8×(35＋65)×5÷100 %D%A%D%A⑦30－[17.8＋(6.2＋38÷10)] %D%A%D¡.10-5.4-4.6= 2.6-（2.4+2.2）x6 %D%A%D¢6×39＋61×26 %D£56×9－56×9 %D¥2×76＋47×76＋76 %D¡34×56－134＋45×134 %D%A%D%A小数乘除法简便计算专项练习 %D¡.25×32×0.25 4.7×1.25×1.6 2.5×（13×4） %D%A%D¡.25×88 1.25×64×0.25 4.6×0.35+4.6×0.65 %D%A%D .95×8.6-7.6×0.95 2.4×1.87-2.4×0.87 4.18+4.18×99 %D%A%D¢.55×1.5+1.5+6.45×1.5 2.95×101-2.95 2.4-2.4×0.5 %D%A%D£.2×10.1 0.52×105 0.85×99 99×4.3 %D%A%D%A二、脱式计算。 %D¡75－75÷25 68＋35×13 725－（125＋237） %D%A%D%A（114＋166）÷35 432÷（9×8） 189－60＋40 %D%A%D%A三、简便计算。 %D¢16＋305 25×32 47＋236＋64 %D%A%D¦×（15×9） 402＋359 43＋78＋122＋257 %D%A%D¢5×（26×4） 25×44 354＋（229＋46） %D¡000―7200÷8 %D¡242÷（103―49） %D¤032÷（36×2） %D§5×4＋630 376＋280÷70 %D©×60－320 6400÷80－64 %D¢936÷4×4 %D%A%D%A(4280+3265)÷5 %D%A%D¥76÷3÷4 %D%A%D¢427÷3+1995 %D%A%D¨323÷4= %D%A%D£002÷2= %D%A%D¢34×3－574÷7 4326÷（61－58） %D%A%D¡. 84÷7＋35×4 %D%A%D¢. 540÷9－300÷6 %D%A%D£. 480÷8＋320÷4 %D%A%D¤. 120×3－90×2 %D%A%D¥. 30×4＋60×5 %D%A%D¦. 488÷4－23×4 %D%A%D¤8÷8×7 %D£600-458+1204 %D¤93+25×7 %D£05×(301-297) %D%A%D£5×8＋43×5 %D¦50÷5-328÷4%D%A四年级简便计算题 %D¡84＋98 695＋202 864－199 738－301 %D%A（加减法接近整百数的简算） %D£80＋476＋120 （569＋468）＋（432＋131） %D%A（加法交换律和结合律的运用） %D¢56－147－53 373－129＋29 189－（89＋74） 456－（256－36） %D%A（减法的简算，重点：运算符号变化的处理） %D¢8×4×25 125×32×25 9×72×125 %D%A（乘法交换律和结合律的运用，重点：一个因数分成两个因数的处理） %D§20÷16÷5 630÷42 %D%A（除法的简算） %D¡02×35 98×42 %D%A（乘法接近整百数的简算） %D¢6×39＋61×26 356×9－56×9 %D©9×55＋55 78×101－78 %D¥2×76＋47×76＋76 134×56－134＋45×134 %D%A（乘法分配律的运用） %D¤8×52×2－4×48 %D¢5×23×（40＋4） %D©99×999＋1999
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