1小学六年级数学总复习解方程练习题姓名： 成绩：(0.5+ X)+ X =9.82 2(X+X+0.5)=9.8 25000+ X =6 X 3200=450+5 X + X X-0.8X=6 12 X -8 X =4.8 7.5+2 X =15 X +5.6=9.4 X -0.7X =3.6 91X1.3 7(X -2)=2 X +3 18(X -2)=270 30X+25=85 1.48-2 X =6 6 X -12.83=0.06 53- X2=8 4(X -5.6)=1.6 7(6.5+ X)=87.5 21502+3 X =690 1/3 X5/6 X1.4 37620 X50.7(X0.9)=42 1.3 X2.43=12.4 X(30.5)=12 3 X + 7 X +10 = 90 3（X - 12）+ 23 = 35 7 7 X82 X27 5 X18 = 32 X 7.4(X2.1)=6 （7 X - 4）+3（X - 2）= 2 X +6 12 X8 X1228 3（2 X1）10=37 1.6 X3.4 XX527 2（3 X4）（4X）4 X （3 X5）2（5 X9）3
