问题
解答题
解方程.
36:χ=8:25
14-3χ=18÷9.
答案
(1)36:χ=8:25
8x=36×25
x=36×25 8
x=112.5;
(2)14-3χ=18÷9
14-3χ=2
14-3x+3x-2=2+3x-2
3x=12
x=4.
解方程.
36:χ=8:25
14-3χ=18÷9.
(1)36:χ=8:25
8x=36×25
x=36×25 8
x=112.5;
(2)14-3χ=18÷9
14-3χ=2
14-3x+3x-2=2+3x-2
3x=12
x=4.