解方程.0.7x=0.84; x-5.2=1.8; x÷12=1.5; 4.98 x=9. 解方程.0.7x=0.84; x-5.2=1.8; x÷12=1.5; 4.98 x=9. 发布时间:2024-09-11 20:16:30