3.6x102=0.3

来源：蜘蛛抓取(WebSpider) 时间：2016-11-11 07:56 标签： 3.6x 4.5x 56.7
解方程（或比例）X﹕0.3=0.4：0.8&&&&&&&&&&&&&&&&&&&=．
（1）X﹕0.3=0.4：0.8，&&&&&&&&&&&0.8x=0.12，&&&&& 0.8x÷0.8=0.12÷0.8，&&&&&&&&&&&&&&x=0.15；（2）=，&& 0.8x=3.6×1.2，&& 0.8x=4.32，0.8x÷0.8=4.32÷0.8，&&&&&&x=5.4．
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这是有关解比例的两道题，由比例的意义和性质即可得出．
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考点点评：
本题主要考查了比例的意义和性质以及解比例的能力．
扫描下载二维码Olympus TG-310 Tough 14.0 MP Waterproof Digital Camera 3.6X ZOOM 2.7' LCD
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Please enter a valid number.54.9x0.38 4.05+37.85 1.25x0.7x0.8 9.8x25 6.1x3.6+3.6x3.9 2.96x40 怎么简便计算求求你了 快点-中国学网-中国IT综合门户网站-提供健康,养生,留学,移民,创业,汽车等信息
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54.9x0.38 4.05+37.85 1.25x0.7x0.8 9.8x25 6.1x3.6+3.6x3.9 2.96x40 怎么简便计算求求你了 快点
来源：互联网 发表时间： 18:29:48 责任编辑：李志喜字体：
为了帮助网友解决“54.9x0.38 4.05+37.85 1.25x0.7x0.8 9.8x25 6.1x3.6+3.6x3.9 2.96x40 怎么简便计算求求你了 快点”相关的问题，中国学网通过互联网对“54.9x0.38 4.05+37.85 1.25x0.7x0.8 9.8x25 6.1x3.6+3.6x3.9 2.96x40 怎么简便计算求求你了 快点”相关的解决方案进行了整理,用户详细问题包括:RT,我想知道:54.9x0.38 4.05+37.85 1.25x0.7x0.8 9.8x25 6.1x3.6+3.6x3.9 2.96x40 怎么简便计算求求你了 快点，具体解决方案如下：解决方案1： 54.9x0.38=（54.9+0.1）+0.28=55+0.28=55.28&4.05+37.85=4+（0.05+37.85）=4+37.9=41.9&1.25x0.7x0.8&=（1.25×0.8）×0.7=1×0.7=0.79.8x25=2.45×（4×25）=2.45×100=245&6.1x3.6+3.6x3.9=3.6×（6.1+3.9）=3.6×10=36&2.96x40=（3-0.04）×40=3×40-0.04×40=120-1.6=118.4
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京ICP备号-1 京公网安备02号3.6x-2.tx=2t0 4+2x=8.4 4x-32=8.8 3.6x+0.8x=8.8 图8x÷3=2.4 3x+地×0.3=4.地 8x+图地.8=图0.8 图.地x-图=2.6．
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（1）3.6x-6.9x=690，0.9x=690， 0.9x÷0.9=690÷0.9， x=300；（6）4+6x=6.4，4+6x-4=6.4-4， 6x÷6=4.4÷6， x=6.6；（3）4x-36=6.6，4x-36+36=6.6+36， 4x÷4=40.6÷4， x=10.6；（4）3.6x+0.6x=6.6， 4.4x=690， 4.4x÷4.4=6.6÷4.4，
x=6；（5）16x÷3=6.4，16x÷3×3=6.4×3， 16x÷16=9.6÷16， x=0.4；（6）3x+5×0.3=4.5， 3x+1.5=4.5， 3x+1.5-1.5=4.5-1.5， 3x÷3=3÷3， x=1；（9）6x+15.6=19.6，6x+15.6-15.6=19.6-15.6，6x÷6=4÷6， x=0.5；（6）1.5x-1=6.6，1.5x-1+1=6.6+1，1.5x÷1.5=3.6÷1.5， x=6.4．
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扫描下载二维码3又1/8/[(17.2-3.6x)/0.32]=1(解方程)
3又1/8/[(17.2-3.6x)/0.32]=13又1/8＝[(17.2-3.6x)/0.32]25/8＝(17.2-3.6x)/0.3225＝(17.2-3.6x)/0.041＝17.2-3.6x3.6x=16.2x=4.5
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