解方程8x=2/3 4/5x=7/10 2/3x=14/15 5/9x=108x=2/3 4/5x=7/102/3x=14/15 5/9x=10

问题描述:

解方程8x=2/3 4/5x=7/10 2/3x=14/15 5/9x=10
8x=2/3 4/5x=7/10
2/3x=14/15 5/9x=10

  8x=2/3
  x=2/3×1/8
  x=1/12
  4/5x=7/10
x=7/10×5/4
  x=7/8
  2/3x=14/15
  x=14/15×3/2
  x=7/5
  5/9x=10
  x=10×9/5
  x=18