六年级解方程 解比例 练习题 姓名 成绩X X= 2X + = 70%X + 20%X = 3.6 X=20 25% + 10X = X - 15%X = 68 XX121 5X3X12 6X5 =13.4 3X=X= XX= 4X6=2 X= X = X = X = 4x3 9 = 29x + x = 4 X21=4 6X5 =13.4 X-X= 4638 5X= X= X=解比例:x:10=: 0.4:x=1.2:2 = :=:x 0.8:4=x:8 :x=3:12 1.25:0.25=x:1.6 = x: =6: = 45:x=18:262.8:4.2=x:9.6 :x=: 2.8:4.2=x:9.6 x:24= : 8:x=: :=x: 0642.4x6x x x x0.71050x40 1.3x5.220 x3.6618 x
