3=(ζJ)/g*6/8 =9/2*ψ/(6) =8/8*v =ζ*6/t =8/9*9/7 =()*(2T)/9 =b/8*9/9 =9/8+8/1 =(9T)/(DT)*(Iζ)/(Oζ)ロ【目】 4【题目】一、口算。7+4=12-5=12+6=18-9=12-8=14-6=16-7=10-4=13-9=17-9=7+8=8+6= 5【题目】一、口算。25+13=384...