3/8x+( 1-3/8x)(2/3)+55 = x+ 1/4x
3/8x+5/ 12x+55=5/4x
3/8x+5/ 12x-5/4x=-55
1 1/24x=55
x= 120
A total of 20 trees/kloc-0 were planted.
2、
The college entrance examination in Qinghai in 2025 is a model of 3+ 1+2, regardless of arts and sciences, in which Chinese,