https://m.sogou.com/web/sl?keyword=4.25%E4%B9%980.75%E5%8A%A075%25%E5%8A%A04.75%E4%B9%98%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%89&uID=CVuZNJLNmv5VszAd&v=5&pid=sogou-waps-0baf163c24ed14b5&t=1587000263375&s_t=1587000273657&channel=zhishi&channel=zhishi&usetab=1 4.25乘0.75加75%加4.75乘四分之三
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4.25乘0.75加75%加4.75乘四分之三

4.25*0.75+75 %+4.75*3/4=4.25*.75+0.75+4.75*0.75=(4.25+1+4.75)*0.75=10*0.75=7.5

4.25*0.75+75%+4.75*四分之三= 0.75 x ( 4.25 + 4.75 + 4.75 )= 0.75 x 13.75 = 10.3125

因为0.75=75%=4分之3原式=0.75*(4.25+1+4.75)=0.75*10=7.5

4.25x0.75+75%+4.75+4分之3 =4.25*0.75+0.75+4.75+0.75=0.75(4.25+1+1)+4.75=4.6875+4.75=9.4375

9.4375 4.25x0.75+75%+4.75+4/3=4.25x0.75+0.75+4.75+0.75=0.75x(4.25+1+1)+4.75=0.75x6.25+4.75=9.4375

4.25*0.75+75%+4.75+0.75=4.25*0.75+0.75*1+4.75+0.75=4.25*0.75+1*0.75+4.75+0.75=0.75*(4.25+1+4.75)=0.75*10=7.5

0.75乘4.75加4又4分之3加4又4分之3乘4.25=0.75x4.75+4.75+4.75x4.25=4.75x(0.75+1+4.25)=4.75x6=28.5行家正解,不明白可以追问!祝您学习进步满意请点击下面的【选为满意回答】按钮,O(∩_∩)O谢谢

解(1):4.25*0.75+75%*4.75+ 3 4 ,=0.75*(4.25+4.75+1),=0.75*10,=7.5;(2)1÷ 1 3 - 1 3 ÷1,=3- 1 3 ,=2 2 3 ;(3)2006*97-96*2007,=(2007-1)*97-96*2007,=2007*97-97-96*2007,=2007*(97-96)-97,=2007-97,=1910.

4*四分之三-4.75+75%*7 =(4+7)*75%-4.75=11*75%-0.75-4=10*0.75-4=7.5-4=3.5

4 * +75%*7-0.75=4*0.75 + 0.75*7 - 0.75=0.75*(4+7-1)=0.75*10=7.5

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