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1、1人教版六年级解方程及解比例练习题解比例:x:10= : 0.4:x=1.2:2 =413 4.21x3: = :x 0.8:4=x:8 :x=3:12251.25:0.25=x:1.6 = =92x8x3654x: =6: = 45:x=18:263254x5.4262.8:4.2=x:9.6 :x= : 2.8:4.2=x:9.61084x:24= : 8:x= : : =x: 43153856120642.4 x 6 x 15 13 0.612 1.5x x x x 0.734 12 45 1112 45 2536 114 121050 x40 1.3 x5.220 x3.6618 x
2、13 120 169 4.60.2 8x 38 x64解方程2X X= 2X + = 70%X + 20%X = 3.627 4325 35X =20 25% + 10X = X - 15%X = 685341 54X X121 5X3 X 128 21732416X5 =13.4 3X=834X8X = X X= 4X6 =272167 32X= X = X = 125 310 537298615X = 4x3 9 = 29 x + x = 4356421 216X21 =4 10 2041x 8).(x6X5 =13.4 X- X= 463825 13 3105X= X= X =19218
3、54 54281X =12 X= X= 32437961X = X-0.25= =30% 56213414X4+0.7X=102 X+ X=42 X+ X=1053 13X- X=400 X-0.125X=8 = 83 X364X+ X=18 X( + )= x0.375x= 37 16 38 1312 65x + =4 X 7X12 5 X2.45832180.365- x = (x- 4.5) = 7 x- 25%x = 1034 35 23 12x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 45X25%X=90 X X= X X= 37 89 27 4
4、32X + = 70%X + 20%X = 3.6 X =2025 35 5125% + 10X = X - 15%X = 68 X X121 54 835X3 X 12 6X5 =13.4 21732413X= X = 834X87216X X= 4X6 =2 X= 7 32125 310X = X = X = 5372986153564214x3 9 = 29 x + x = 4 X21 =4 21046X5 =13.4 2041x 8)6.2(xX- X= 4638 5X= 25 13 310 195X= X = X =12 2185454281324X= X= X = 37961562
5、13X-0.25= =30% 4+0.7X=102 414XX+ X=42 X+ X=105 X- X=400 32 183X-0.125X=8 = X+ X=18 X36437X( + )= x0.375x= x + =4 16 38 1312 653218X 73X12 5 X2.458 0.365- x = 34 35(x- 4.5) = 7 x- 25%x = 10 X25%X=90 23 12x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 455X X= X X= 2X + = 37 89 27 4325 3570%X + 20%X = 3.6 X
6、=20 25% + 10X = 5414X - 15%X = 68 X X121 5X3 83 21573X=8341X = X X= 4X6 =27216874332X= X = X = 125 310 537298615X = 4x3 9 = 29 x + x = 4356421 216X21 =4 10 041x 8)6.2(x6X5 =13.4 X- X= 463825 13 3105X= X= X =198 54281X =12 X= X= 3245372961X = X-0.25= =30% 56213414X4+0.7X=102 X+ X=42 X+ X=1053216X- X=400 X-0.125X=8 = 83 X364X+ X=18 X( + )= x0.375x= 37 16 38 1312 65x + =4 X 73X12 5 X2.45832180.365- x = (x- 4.5) = 7 x- 25%x = 1034 35 23 12x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 45
