解答

解答

求解步骤
数字相乘:
将 到右边
两边除以
将 到右边

作图

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流行的例子

2x+10=4x-162.6=0.4-0.5y15((8+4b)/4)-10b=0solvefor y,-12x-8y=-180(2a)/3+(a-4)/5 = 1/2