人教版小学六年级数学下册解比例专项训练 25.docx

1、人教版小学六年级数学下册解比例专项训练 253 13 2 1 x: :4x 6 3 5 0.2 0.3 1: x 3.25 :725 x 4 11 1 1 x: :7x 8 4 5 1.4 0.4 7.5: x 6 :122.5 x 9 13 1 1 x: :7x 4 7 3 1.6 0.3 9: x 3 :120 x 2 13 1 6 x: :1x 3 8 7 0.8 0.9 5: x 5 :117.5 x 2 13 5 1 x: :2x 2 6 7 0.8 0.7 5: x 0.25 :722.5 x 1 11 1 1 x: :2x 4 6 2 1 0.1 7.5: x 3.75 :810

2、 x 2 13 3 3 x: :3x 7 2 4 0.2 0.2 9.5: x 4 :425 x 6 11 1 3 x: :1x 2 2 4 1.6 0.6 6: x 6.5 :725 x 2 13 1 1 x: :4x 3 5 8 0.8 0.1 12: x 7.25 :215 x 8 7 1 10 x: :4x 6 8 9 1.4 0.3 8: x 0.5 :57.5 x 7 13 6 9 x: :5x 8 7 8 0.6 0.5 14: x 4.75 :825 x 8 6 5 10 x: :8x 5 6 9 0.4 0.8 8.5: x 7.25 :917.5 x 8 1 5 1 x:

3、:4x 8 6 2 0.4 0.3 13: x 2.5 :95 x 3 11 1 1 x: :8x 8 2 9 1.6 0.4 3.5: x 3.25 :910 x 4 7 1 7 x: :3x 6 2 8 1.4 0.5 7: x 1.25 :77.5 x 7 13 1 6 x: :6x 8 5 7 1.2 0.9 2: x 4.75 :82.5 x 7 1 8 6 x: :4x 8 9 7 0.4 0.1 8: x 5.25 :45 x 9 1 8 1 x: :9x 6 9 3 1.6 0.1 15: x 4.5 :722.5 x 2 13 1 1 x: :4x 8 6 6 0.8 0.7

4、 15: x 4.5 :215 x 8 1 1 10 x: :2x 9 5 9 0.8 0.3 1: x 6.75 :610 x 1 13 1 1 x: :6x 2 7 6 1.4 0.3 6.5: x 2.75 :412.5 x 3 13 1 1 x: :9x 8 3 5 1.4 0.1 2.5: x 3.5 :87.5 x 7 13 3 1 x: :8x 4 4 8 1 0.6 2: x 4.5 :420 x 4 11 8 1 x: :5x 2 7 3 1.2 0.7 0.5: x 6.5 :65 x 9 5 5 1 x: :9x 6 4 3 1.8 0.2 15: x 6.5 :15 x

5、 3 11 1 5 x: :2x 8 7 6 1.8 0.2 4: x 4.5 :410 x 2 11 7 4 x: :7x 4 8 5 0.4 0.5 2: x 2.75 :812.5 x 1 1 1 5 x: :5x 6 4 4 1.4 0.6 15: x 2.75 :915 x 1 13 3 1 x: :3x 2 4 2 0.8 0.3 4.5: x 5.5 :410 x 1 11 3 1 x: :7x 7 2 7 1.4 0.2 14.5: x 4 :315 x 7 11 9 2 x: :3x 6 8 3 1.6 0.6 12.5: x 2.75 :415 x 1 11 1 3 x:

6、:5x 7 6 4 1.2 0.2 6: x 0.25 :75 x 6 1 1 7 x: :5x 8 3 6 1.4 0.7 7.5: x 7 :45 x 1 11 6 1 x: :5x 6 7 8 0.8 0.3 3: x 6 :35 x 7 13 5 1 x: :2x 4 4 5 0.8 0.4 2.5: x 2 :12.5 x 5 11 1 1 x: :3x 4 2 2 1.6 0.2 5: x 3.5 :12.5 x 6 1 6 6 x: :3x 9 5 5 0.6 0.4 12: x 2.75 :37.5 x 1 5 1 6 x: :6x 4 2 5 0.2 0.6 14: x 3.

7、75 :215 x 3 9 10 1 x: :7x 8 9 3 0.2 0.8 13.5: x 1.25 :317.5 x 6 1 1 1 x: :5x 6 9 2 0.2 0.4 3: x 1.5 :215 x 8 13 1 4 x: :7x 6 2 5 1.6 0.4 4.5: x 2 :115 x 6 1 1 1 x: :3x 8 7 6 1.6 0.1 2.5: x 3 :312.5 x 4 1 1 1 x: :6x 2 8 7 0.2 0.6 15: x 2.25 :425 x 7 11 1 1 x: :3x 3 4 4 1.2 0.6 6: x 5.25 :120 x 5 5 6

8、4 x: :8x 6 5 3 1.6 0.1 12.5: x 0.75 :125 x 8 1 1 6 x: :3x 8 8 5 0.2 0.5 13.5: x 3.25 :57.5 x 3 1 1 1 x: :2x 3 3 2 0.2 0.2 6.5: x 3.75 :417.5 x 7 1 1 1 x: :1x 5 2 4 1.2 0.9 1.5: x 2.75 :97.5 x 7 11 9 1 x: :7x 2 8 4 1.8 0.2 10: x 4.25 :55 x 2 4 1 1 x: :9x 3 2 7 1.2 0.4 8.5: x 2.75 :915 x 9 1 1 6 x: :3

9、x 2 3 5 1 0.8 8.5: x 3 :925 x 9 1 1 1 x: :1x 5 3 5 1.6 0.6 13: x 1.5 :510 x 4 13 6 1 x: :3x 5 5 4 0.6 0.6 2.5: x 5.75 :420 x 3 11 6 1 x: :6x 2 5 5 1.6 0.7 6: x 3.75 :120 x 6 11 9 3 x: :2x 5 8 4 0.2 0.2 4: x 4.5 :35 x 4 2 7 5 x: :4x 3 6 4 1.8 0.1 14: x 5.5 :82.5 x 7 11 1 1 x: :7x 7 2 5 0.8 0.9 8.5: x 1.75 :52.5 x 7 8 6 7 x: :8x 9 5 6 0.8 0.7 6: x 6 :812.5 x