解方程.5.5x十6.7=7.8,3.5x-0.8x=11.34,6.2x-x=41.6,4(10-x)=32,9(x+3)=135,3(6-x)=15,(3x十2)除8=7,(80-4x)X10=600,9x-14X5.5=22
问题描述:
解方程.5.5x十6.7=7.8,3.5x-0.8x=11.34,6.2x-x=41.6,4(10-x)=32,9(x+3)=135,3(6-x)=15,(3x十2)除8=7,(80-4x)X10=600,9x-14X5.5=22
答
56566