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4.25*5.24*1.52*2.51简便算法!

4.25*4=17 4.25*5.24*1.52*2.51=(4.25*4)*1.31*1.52*2.51=17*1.31*1.52*2.51=84.964504

4.25×5.24×1.52×2.51 =4×(0.25+0.24+0.52+0.51) =4×0.25+4×0.24+4×0.52+4×0.51 =1+0.96+2.08+2.04 =6.08

呃,计算器算一下就是了,等于84.964504 楼主好人来送分吗?

25.64-5.6-24.4+5.36 =(25.64+5.36)-(5.6+24.4) =31-30 =1

4.25*166-42.5*14.2+24*5.75 =4.25*166-4.25*142+24*5.75 =4.25*(166-142)+24*5.75 =4.25*24+24*5.75 =24*(4.25+5.75) =240

25*24*4*5 =(25*4)*(24*5) =100*120 =12000 朋友,请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问。谢谢。

25.4+25.8+24.8+26+24.5+24.1 =(25.4+24.5+24.1)+(25.8+24.8)+26 =74+50.6+26 =(74+26)+50.6 =100+50.6 =150.6

25×4=100和 24×5=120

4.25*5.24*1.52*2.51 =4.25*8*0.19*1.31*4*2.51 =34*0.19*1.31*10.04 =6.46*1.31*10.04 =8.4626*10.04 =84.626+0.338504 =84.964504

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