array(3) { [0]=> array(10) { [0]=> string(289) "2 . 5 x - 1 . 8 + 0. 5 x = 0. 6 1 5 . 6 - 2 ( x - 7 . 4 ) = 1 2 . 4 0. 8 6 * 2 - 7 . 1 x = 0. 3 3 5 - x = 4 ( x + 5 ) jie fang cheng 1 5 . 6 - 2 x + 2 * 7 . 4 = 1 2 . 4 - 2 x = - 1 8 x = 9 0. 8 6 * 2 - 7 . 1 x = 0. 3 - 7 . 1 x = 0. 3 - 1 . 7 2 ( 0. 8 6 * 2 de ji ) - 7 . 1 x = - 1 . . . . " [1]=> string(287) "1 、 jie fang cheng 。 2 x - 1 6 = 5 . 6 2 x - 1 6 + 1 6 = 5 . 6 + 1 6 2 x = 2 1 . 6 X = 1 0. 8 3 . 2 x + 1 . 5 * 2 = 1 2 . 6 3 . 2 x + 3 = 1 2 . 6 3 . 2 x + 3 - 3 = 1 2 . 6 - 3 3 . 2 x = 9 . 6 3 . 2 x ÷ 3 . 2 = 9 . 6 ÷ 3 . 2 x = 3 5 ( x - 2 . 5 ) = 5 . 5 5 ( x - 2 . 5 ) ÷ 5 . . . " [2]=> string(319) "1 5 / x - 1 5 / 1 . 5 x = 1 5 / 6 0ze 1 5 / x - 1 0/ x = 1 / 4 ze ( 1 5 - 1 0) / x = 1 / 4 ze 5 / x = 1 / 4 ze x = 2 0jian yan : jiang x = 2 0dai ru yuan fang cheng , zuo bian = you bian suo yi x = 2 0shi yuan fang cheng de jie jie xi kan bu dong ? mian fei zha kan tong lei ti shi pin jie xi zha kan jie da geng . . . " [3]=> string(163) "2.5x-1.8+0.5x=0.6 15.6-2(x-7.4)=12.4 0.86*2-7.1x=0.3 35-x=4(x+5) 解方程 15.6-2x+2*7.4=12.4 -2x=-18 x=9 0.86*2-7.1x=0.3 -7.1x=0.3-1.72(0.86*2的积) -7.1x=-1...." [4]=> string(289) "ben ti de zheng que da an shi 1 2 。 jie fang cheng bu zhou ru xia suo shi : 1 8 - X = 6 X = 1 8 - 6 X = 1 2 jiang da an dai ru fang cheng jin xing yan suan , fang cheng zuo bian = 1 8 - 1 2 = 6 , yu fang cheng you bian de 6 shi xiang deng de , ke yi zheng ming da an 6 shi . . . " [5]=> string(163) "1、解方程。 2x-16=5.6 2x-16+16=5.6 +16 2x=21.6 X=10.8 3.2x+1.5*2=12.6 3.2x+3=12.6 3.2x+3-3=12.6-3 3.2x=9.6 3.2x÷3.2=9.6÷3.2 x=3 5(x-2.5) =5.5 5(x-2.5)÷5..." [6]=> string(214) "15/x-15/1.5x=15/60 则15/x-10/x=1/4 则(15-10)/x=1/4 则5/x=1/4 则x=20 检验:将x=20代入原方程,左边=右边 所以x=20是原方程的解 解析看不懂?免费查看同类题视频解析 查看解答 更..." [7]=> string(282) "X = 3 shi fang cheng de jie 2 、 shen me jiao fang cheng de jie ? fang cheng de jie you ji ge ? neng gou shi fang cheng liang bian de zhi xiang deng de wei zhi shu de zhi ( ban shu ) yi ge huo ji ge que ding de shu ( ban shu ) 3 、 dang x qu xia lie shu zhi shi . . . " [8]=> string(193) "本题的正确答案是12。解方程步骤如下所示:18-X=6X=18-6X=12将答案代入方程进行验算,方程左边=18-12=6,与方程右边的6是相等的,可以证明答案6是..." [9]=> string(210) "X=3 是方程的解 2 、什么叫方程的解?方程的解有几个? 能够使方程两边的值相等的未知数的值(板书) 一个或几个确定的数(板书) 3 、当 x 取下列数值时..." } [1]=> array(6) { [0]=> string(36) "万能解方程计算器在线使用" [1]=> string(21) "求解方程计算器" [2]=> string(24) "解方程计算器网页" [3]=> string(36) "解方程计算器在线使用免费" [4]=> string(21) "20-x=9怎么解方程" [5]=> string(17) "15÷3x=5解方程" } [2]=> array(3) { [0]=> string(4) ".jpg" [1]=> string(4) ".jpg" [2]=> string(4) ".jpg" } } 15.6-x=10.85解方程 - 15教算术
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15.6-x=10.85解方程

局仲蔼2024-07-25 14:46:1015教算术百科1147
大家好!今天让小编来大家介绍下关于15.6-x=10.85解方程的问题,以下是小编对此问题的归纳整理,让我们一起来看看吧。

2 . 5 x - 1 . 8 + 0. 5 x = 0. 6 1 5 . 6 - 2 ( x - 7 . 4 ) = 1 2 . 4 0. 8 6 * 2 - 7 . 1 x = 0. 3 3 5 - x = 4 ( x + 5 ) jie fang cheng 1 5 . 6 - 2 x + 2 * 7 . 4 = 1 2 . 4 - 2 x = - 1 8 x = 9 0. 8 6 * 2 - 7 . 1 x = 0. 3 - 7 . 1 x = 0. 3 - 1 . 7 2 ( 0. 8 6 * 2 de ji ) - 7 . 1 x = - 1 " . 1 、jie fang cheng 。2 x - 1 6 = 5 . 6 2 x - 1 6 + 1 6 = 5 . 6 + 1 6 2 x = 2 1 . 6 X = 1 0. 8 3 . 2 x + 1 . 5 * 2 = 1 2 . 6 3 . 2 x + 3 = 1 2 . 6 3 . 2 x + 3 - 3 = 1 2 . 6 - 3 3 . 2 x = 9 . 6 3 . 2 x ÷ 3 . 2 = 9 . 6 ÷ 3 . 2 x = 3 5 ( x - 2 . 5 ) = 5 . 5 5 ( x - 2 . 5 ) ÷ 5 "

1 5 / x - 1 5 / 1 . 5 x = 1 5 / 6 0ze 1 5 / x - 1 0/ x = 1 / 4 ze ( 1 5 - 1 0) / x = 1 / 4 ze 5 / x = 1 / 4 ze x = 2 0jian yan : jiang x = 2 0dai ru yuan fang cheng , zuo bian = you bian suo yi x = 2 0shi yuan fang cheng de jie jie xi kan bu dong ? mian fei zha kan tong lei ti shi pin jie xi zha kan jie da geng " 2.5x-1.8+0.5x=0.6 15.6-2(x-7.4)=12.4 0.86*2-7.1x=0.3 35-x=4(x+5) 解方程15.6-2x+2*7.4=12.4 -2x=-18 x=9 0.86*2-7.1x=0.3 -7.1x=0.3-1.72(0.86*2的积) -7.1x=-1.

ben ti de zheng que da an shi 1 2 。jie fang cheng bu zhou ru xia suo shi :1 8 - X = 6 X = 1 8 - 6 X = 1 2 jiang da an dai ru fang cheng jin xing yan suan ,fang cheng zuo bian = 1 8 - 1 2 = 6 ,yu fang cheng you bian de 6 shi xiang deng de ,ke yi zheng ming da an 6 shi " 1、解方程。2x-16=5.6 2x-16+16=5.6 +16 2x=21.6 X=10.8 3.2x+1.5*2=12.6 3.2x+3=12.6 3.2x+3-3=12.6-3 3.2x=9.6 3.2x÷3.2=9.6÷3.2 x=3 5(x-2.5) =5.5 5(x-2.5)÷5

X = 3 shi fang cheng de jie 2 、shen me jiao fang cheng de jie ?fang cheng de jie you ji ge ?neng gou shi fang cheng liang bian de zhi xiang deng de wei zhi shu de zhi (ban shu )yi ge huo ji ge que ding de shu (ban shu )3 、dang x qu xia lie shu zhi shi "

本题的正确答案是12。解方程步骤如下所示:18-X=6X=18-6X=12将答案代入方程进行验算,方程左边=18-12=6,与方程右边的6是相等的,可以证明答案6是X=3 是方程的解2 、什么叫方程的解?方程的解有几个?能够使方程两边的值相等的未知数的值(板书)一个或几个确定的数(板书)3 、当x 取下列数值时