(16+x) x =mg (16+x) x =mg - 知识问答

(16+x) x =mg (16+x) x =mg (16+x) x =mg （16+x） x mg ng (16+x)

1个回答

同乘x
16+x = mx/n
16 = mx/n - x
16 = mx/n - nx/n
16 = (m-n)x/n
x = 16n/(m-n)

相关问题