人教版小学六年级数学下册解比例专项训练 30.docx

1、人教版小学六年级数学下册解比例专项训练 309 1 1 1 x: :9x 7 5 2 0.6 0.8 6.5: x 5.25 :815 x 8 13 7 1 x: :2x 5 8 7 0.8 0.2 10.5: x 1.5 :815 x 3 11 9 1 x: :9x 8 8 6 0.4 0.9 4: x 5 :725 x 2 13 1 1 x: :4x 8 7 9 0.8 0.1 8: x 6.75 :92.5 x 6 11 3 1 x: :6x 5 4 5 1.4 0.6 15: x 5.75 :922.5 x 8 11 8 10 x: :4x 2 7 9 1.6 0.2 13.5: x

2、0.25 :715 x 8 11 7 1 x: :5x 3 8 8 1 0.8 12: x 3.5 :612.5 x 3 11 1 1 x: :8x 3 8 6 1.8 0.6 2: x 4 :912.5 x 9 13 1 1 x: :6x 2 2 7 1.2 0.1 14.5: x 1.25 :412.5 x 7 2 1 6 x: :5x 3 9 5 1.4 0.2 2: x 0.5 :325 x 9 1 9 1 x: :2x 6 8 2 1.6 0.8 3: x 4 :62.5 x 2 1 8 1 x: :7x 5 9 8 1.2 0.9 7: x 7 :925 x 9 13 1 10 x

3、: :2x 8 3 9 1.4 0.4 1: x 6 :910 x 1 13 4 1 x: :5x 7 5 4 1 0.4 4: x 3.25 :517.5 x 3 5 1 8 x: :6x 4 7 9 1.6 0.7 9.5: x 2.5 :125 x 5 13 1 3 x: :4x 2 7 4 0.8 0.4 14: x 0.25 :915 x 3 11 1 1 x: :1x 5 9 7 1.4 0.6 7: x 3.5 :85 x 1 11 1 1 x: :8x 6 3 5 0.4 0.8 6.5: x 3.5 :812.5 x 1 1 1 8 x: :5x 9 7 9 1.6 0.1

4、5: x 7 :717.5 x 4 1 5 2 x: :6x 2 4 3 0.4 0.4 9: x 3.5 :27.5 x 8 10 4 3 x: :6x 9 3 2 0.4 0.3 11: x 6.5 :25 x 4 11 9 1 x: :1x 4 8 8 1.8 0.1 3.5: x 0.75 :65 x 3 1 4 1 x: :9x 3 3 9 0.6 0.3 14.5: x 7.5 :925 x 6 11 1 5 x: :6x 9 7 4 1 0.4 4.5: x 0.25 :517.5 x 8 13 10 1 x: :4x 4 9 3 0.2 0.4 6: x 6.75 :52.5

5、x 9 11 6 1 x: :4x 9 5 6 1.4 0.3 13.5: x 1 :715 x 2 11 1 1 x: :5x 5 5 7 1.4 0.9 9: x 2.25 :415 x 6 11 6 4 x: :5x 6 5 5 0.8 0.7 12: x 6.5 :210 x 8 11 10 1 x: :5x 4 9 5 1.6 0.4 14.5: x 1.5 :85 x 1 2 1 6 x: :2x 3 4 5 0.4 0.4 4: x 1 :87.5 x 1 1 8 7 x: :6x 9 7 8 1.2 0.6 10: x 5 :220 x 8 13 7 1 x: :5x 4 8

6、3 1 0.8 7.5: x 3.25 :717.5 x 5 11 10 3 x: :2x 4 9 4 1.8 0.7 14: x 0.5 :425 x 4 6 5 1 x: :7x 5 4 5 0.8 0.4 5: x 4.75 :410 x 9 13 1 1 x: :8x 9 6 9 0.4 0.8 9.5: x 7 :917.5 x 5 11 1 1 x: :6x 9 8 7 0.4 0.2 6.5: x 0.25 :915 x 8 1 7 1 x: :6x 2 6 2 1.4 0.8 7: x 0.75 :42.5 x 4 1 1 1 x: :1x 9 3 2 0.8 0.6 12:

7、x 1.25 :62.5 x 9 11 8 8 x: :5x 9 7 7 0.2 0.9 8.5: x 1.75 :412.5 x 1 1 10 9 x: :3x 3 9 8 0.2 0.2 5.5: x 6.75 :317.5 x 5 10 1 2 x: :8x 9 8 3 0.6 0.2 12.5: x 6 :85 x 5 11 1 1 x: :9x 9 2 2 1.8 0.1 9.5: x 1.75 :410 x 9 7 1 2 x: :7x 8 3 3 0.2 0.3 13.5: x 7.25 :415 x 1 11 1 1 x: :3x 8 2 4 1.4 0.9 6.5: x 3.

8、5 :625 x 3 1 6 1 x: :4x 7 5 8 1 0.6 9.5: x 1.75 :210 x 5 11 7 4 x: :4x 7 6 5 0.4 0.9 11: x 4.75 :610 x 8 11 6 1 x: :9x 7 7 4 1.4 0.9 8.5: x 5.25 :22.5 x 1 13 1 1 x: :6x 9 5 5 1.4 0.6 0.5: x 2.5 :325 x 3 11 7 2 x: :1x 6 8 3 1.4 0.1 7: x 3.5 :115 x 7 1 1 1 x: :7x 6 2 2 1 0.6 10.5: x 1 :922.5 x 9 11 1

9、1 x: :9x 8 2 9 1.8 0.1 5: x 3.5 :725 x 6 11 5 5 x: :8x 9 4 6 1 0.6 9.5: x 4.25 :57.5 x 9 6 1 4 x: :7x 5 4 3 0.2 0.6 14.5: x 3.25 :27.5 x 2 11 7 8 x: :4x 4 8 9 1.6 0.8 12.5: x 3 :220 x 3 1 1 1 x: :1x 9 2 5 1.6 0.8 7: x 7 :95 x 8 13 1 1 x: :8x 3 9 4 0.6 0.9 12.5: x 2.25 :22.5 x 6 11 1 1 x: :7x 4 6 8 0.8 0.9 6.5: x 1.25 :622.5 x 3 1 1 1 x: :7x 2 6 2 0.6 0.9 9: x 3.5 :310 x