90.6-97=90.2x-79的详细解法90.6x-97=90.2x-7990.6-97=90.2x-790.4x=18x=45?例：7x-23=617x-23=617x=847x-23+23=61+23x=127x=847x÷7=84÷7x=12@@#$!$#@#%^%&^*&^&$^#Y&^(*&()*((){P}}:":?>:":"|//+%&^%&$&%^&$&%$&&$^#^#$&%^*%^&$^%^@$~```2324535

Question

90.6-97=90.2x-79的详细解法
90.6x-97=90.2x-79 90.6-97=90.2x-79 0.4x=18 x=45?例：7x-23=61 7x-23=61 7x=84 7x-23+23=61+23 x=12 7x=84 7x÷7=84÷7 x=12 @@#$!$#@#%^%&^*&^&$^#Y&^(*&()*(_()_{P}}:":?>:":"|//+%&^%&$&%^&$&%$&&$^#^#$&%^*%^&$^%^@$~```232453546@￥@%￥￥……￥￥￥………………&*（*）*）*&&…………………………………………………………（此处省略999999999个子） 0.4x=18 x=45?例：7x-23=61 7x-23=61 7x=84 7x-23+23=61+23 x=12 7x=84 7x÷7=84÷7 x=12 @@#$!$#@#%^%&^*&^&$^#Y&^(*&()*(_()_{P}}:":?>:":"|//+%&^%&$&%^&$&%$&&$^#^#$&%^*%^&$^%^@$~```232453546@￥@%￥￥……￥￥￥………………&*（*）*）*&&…………………………………………………………（此处省略999999999个子）

Answer 1

我也是五年级的 你跟着例子学就行了 90.6x-97=90.2x-79 90.6x-97+97=90.2x-79+97 90.6x=90.2x+18 90.6x-90.2x=90.2x+18-90.2x 0.4x = 18 0.4x ÷0.4 =18 ÷0.4 x=45