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
答
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