1、人教版小学六年级数学下册解比例专项训练 583 1 5 1 x: :3x 8 6 2 1.8 0.5 4: x 1.5 :722.5 x 8 11 4 7 x: :8x 4 5 8 0.6 0.1 4.5: x 4.75 :615 x 9 13 1 1 x: :2x 2 9 8 1.2 0.1 13.5: x 3 :415 x 7 13 1 1 x: :6x 9 4 2 0.4 0.6 8: x 4 :112.5 x 1 7 3 1 x: :8x 8 4 7 0.4 0.4 8: x 0.5 :920 x 7 11 7 1 x: :9x 8 6 5 1.2 0.8 6: x 1.25 :57.
2、5 x 1 11 8 1 x: :5x 2 7 6 0.6 0.3 10.5: x 5.75 :12.5 x 1 11 6 5 x: :6x 8 7 4 0.6 0.6 2: x 6.75 :117.5 x 9 13 7 5 x: :4x 8 6 4 1.8 0.1 6.5: x 4.5 :715 x 9 1 1 1 x: :8x 2 4 5 0.6 0.5 11.5: x 6.5 :710 x 3 13 2 1 x: :5x 4 3 8 1.8 0.5 7.5: x 7.5 :12.5 x 5 11 1 1 x: :9x 3 3 8 1.6 0.7 6: x 4.5 :117.5 x 3 1
3、3 1 8 x: :5x 8 3 7 1.6 0.7 5: x 1.25 :720 x 6 10 7 7 x: :2x 9 8 8 0.8 0.7 12.5: x 1.75 :815 x 9 7 1 7 x: :4x 6 7 8 0.8 0.8 13: x 5.75 :617.5 x 7 1 8 1 x: :1x 7 7 7 0.4 0.8 9: x 7.5 :92.5 x 1 11 1 6 x: :3x 3 6 7 1.6 0.3 9: x 4.25 :825 x 1 1 5 3 x: :2x 6 6 2 1.6 0.2 14.5: x 4.75 :620 x 3 13 1 1 x: :7x
4、 5 9 7 0.6 0.6 14: x 7.25 :117.5 x 9 1 6 1 x: :6x 2 7 2 1.2 0.7 7: x 4 :325 x 2 13 5 1 x: :7x 7 4 4 1.2 0.2 3: x 3 :812.5 x 3 1 1 6 x: :1x 4 2 5 0.6 0.6 8: x 2.5 :610 x 5 1 1 1 x: :6x 9 5 4 1.2 0.9 13.5: x 0.25 :615 x 5 1 10 1 x: :3x 8 9 9 1.4 0.7 3: x 3 :612.5 x 5 4 5 5 x: :5x 3 6 4 0.6 0.1 4.5: x
5、6.25 :52.5 x 2 13 1 1 x: :3x 7 7 9 1.4 0.3 5: x 2.5 :917.5 x 9 13 5 1 x: :3x 8 4 8 0.8 0.4 0.5: x 4.5 :920 x 7 1 5 1 x: :5x 2 6 2 1.8 0.4 13: x 5 :725 x 1 13 2 1 x: :2x 7 3 8 0.4 0.7 9.5: x 0.75 :417.5 x 4 13 3 6 x: :9x 4 4 7 1.4 0.6 3.5: x 7 :87.5 x 7 1 1 4 x: :6x 8 6 5 0.6 0.7 8: x 3 :410 x 2 3 3
6、5 x: :8x 2 4 6 0.2 0.6 10.5: x 4.5 :525 x 2 13 1 1 x: :8x 9 9 2 0.6 0.3 7.5: x 6 :515 x 4 11 1 9 x: :4x 9 2 8 0.8 0.1 2: x 0.75 :15 x 4 13 2 4 x: :5x 4 3 3 1 0.1 12.5: x 5.75 :820 x 5 13 1 5 x: :2x 7 2 6 1.2 0.4 14.5: x 0.5 :810 x 7 11 1 1 x: :5x 3 7 9 1.8 0.8 0.5: x 1.75 :77.5 x 2 1 1 1 x: :8x 8 2
7、3 1 0.1 12.5: x 4.25 :922.5 x 7 11 1 1 x: :1x 5 9 5 1.8 0.3 2.5: x 5 :412.5 x 7 2 5 8 x: :7x 3 4 7 0.4 0.5 3: x 5.75 :322.5 x 1 1 1 1 x: :1x 8 8 9 1.6 0.9 15: x 4.75 :32.5 x 7 11 2 10 x: :9x 3 3 9 1.8 0.3 12.5: x 0.5 :322.5 x 7 4 2 1 x: :2x 5 3 7 1.6 0.7 12: x 1 :220 x 1 11 1 1 x: :8x 5 5 6 1.8 0.4
8、8.5: x 1 :822.5 x 5 5 1 8 x: :2x 4 7 7 0.8 0.1 9: x 2.5 :217.5 x 9 11 1 9 x: :5x 8 6 8 1.4 0.9 9.5: x 2 :45 x 9 11 1 1 x: :8x 2 2 3 1.8 0.2 11.5: x 2.75 :320 x 6 11 1 9 x: :6x 5 6 8 0.4 0.4 2: x 1.5 :77.5 x 2 1 1 1 x: :1x 7 4 2 0.8 0.8 3: x 1.25 :715 x 2 10 9 1 x: :2x 9 8 2 1.4 0.7 15: x 4.75 :717.5
9、 x 7 11 3 1 x: :7x 9 4 3 1 0.2 13: x 4 :425 x 3 11 1 5 x: :1x 7 8 6 1.2 0.5 12: x 5.75 :115 x 1 11 4 1 x: :8x 3 5 3 1 0.6 6.5: x 0.75 :720 x 3 13 1 1 x: :4x 3 6 9 1.2 0.2 3: x 7.25 :112.5 x 3 1 1 1 x: :7x 7 3 2 1.2 0.6 1: x 3 :225 x 9 11 4 2 x: :9x 8 3 3 0.4 0.9 8: x 1.5 :55 x 1 11 1 1 x: :5x 6 7 7 1.4 0.9 10: x 3.75 :317.5 x 9 1 1 1 x: :9x 7 3 9 0.4 0.3 10: x 1.5 :37.5 x
