六年级解比例及解方程练习题200道

解方程及解比例练习题 一、解比例: x:10= 41 : 31 0.4:x= 1.2:2 4.212 = x3 21 : 51 = 41 :x 0.8:4=x:8 43 :x= 3:12 1.25:0.25=x:1.6 92 = x8 x36 = 354 x: 32 = 6: 2524 x5.4=2.26 45:x= 18:26 2.8:4.2=x:9.6 101 :x= 81 : 41 2.8:4.2=x:9.6 x:24= 43 : 31 8:x= 54 : 43 85 : 61 = x: 121 0.6∶4＝2.4∶x 6∶x ＝15∶13 0.612＝1.5x 34∶12＝x ∶45 1112∶45＝2536∶x x ∶ 114＝0.7∶12 10∶50＝x ∶40 1.3∶x ＝5.2∶20 x ∶3.6＝6∶18 13∶ 120＝169 ∶x 4.60.2＝8x 38＝ x64 二、解方程： x － 27 x = 43 2x + 25 = 35 70%x + 20%x = 3.6 x × 53 =20× 41 25% + 10 x = 54 x - 15%x = 68 x ＋ 83 x ＝121 5x －3× 215 ＝ 75 32 x ÷ 41 ＝12 6x＋5 =13.4 834143x 3x= 83 x÷ 72 = 167 x＋ 87 x= 43 4x－6× 32 =2 125 ÷x= 310 53 x = 7225 98 x = 61 × 5116 x÷ 356 = 4526 × 2513 4x－3 ×9 = 29 21 x + 61 x = 4 103 x－21× 32 =4 2041xx 8)6.2(2x 6x＋5 =13.4 25 x-13 x= 310 4x－6＝38 5x= 1915 218 x= 154 x÷ 54 = 2815 32 x÷ 41 =12 53 x= 7225 98 x= 61 × 5116 x÷356 = 4526 ÷ 2513 x-0.25=41 4x =30% 4+0.7x=102 32 x+ 21 x=42 x+ 41 x=105 x- 83 x=400 x-0.125x=8 x36 = 43 x+37 x=18 x×( 16 + 38 )=1312 x－0.375x= 65 x× 32 + 21 =4× 83 x－73 x＝12 5 x－2.4×5＝8 0.36×5- 34 x = 35 23 (x- 4.5) = 7 12 x- 25%x = 10 x- 0.8x = 16+6 20 x– 8.5= 1.5 x- 45 x -4= 21 x＋25%x=90 x－37 x= 89 x－ 27 x= 43 2x + 25 = 35 70%x + 20%x = 3.6 x× 53 =20× 41 25% + 10x = 54 x - 15%x = 68 x＋ 83 x＝121 5x－3× 215 ＝ 75 32 x÷ 41 ＝12 6x＋5 =13.4 834143x 3x= 83 x÷ 72 = 167 x＋ 87 x= 43 4x－6× 32 =2 125 ÷x= 310 53 x = 7225 98 x = 61 × 5116 x÷ 356 = 4526 × 2513 4x－3 ×9 = 29 21 x + 61 x = 4 103 x－21× 32 =4 2041xx 8)6.2(2x 6x＋5 =13.4 25 x-13 x= 310 4x－6＝38 5x=1915 218 x= 154 x÷ 54 = 2815 32 x÷ 41 =12 53 x= 7225 98 x= 61 × 5116 x÷ 356 = 4526 ÷ 2513 x-0.25= 41 4x =30% 4+0.7x=102 32 x+ 21 x=42 x+ 41 x=105 x- 83 x=400 x-0.125x=8 x36 = 43 x+37 x=18 x×( 16 + 38 )=1312 x－0.375x= 65 x× 32 + 21 =4× 83 x－73 x＝12 5 x－2.4×5＝8 0.36×5- 34 x = 35 23 (x- 4.5) = 7 12 x- 25%x = 10 x＋25%x=90 x - 0.8x = 16+6 20 x – 8.5= 1.5 x - 45 x -4= 21 x －37 x = 89 x － 27 x = 43 2x + 25 = 35 70%x + 20%x = 3.6 x × 53 =20× 41 25% + 10x = 54 x - 15%x = 68 x ＋ 83 x ＝121 5x －3× 215 ＝ 75 834143x 3x = 83 x ÷ 72 = 167 x ＋ 87 x = 43 125 ÷x = 310 53 x = 7225 98 x = 61 × 5116 x ÷ 356 = 4526 × 2513 4x －3 ×9 = 29 21 x + 61 x = 4 103 x －21× 32 =4 2041xx 8)6.2(2x 6x ＋5 =13.4 25 x -13 x = 310 4x －6＝26 5x= 1915 218 x= 154 x÷ 54 = 2815 32 x÷ 41 = 12 53 x= 7225 98 x= 61 × 5116 x÷356 = 4526 ÷ 2513 x-0.25=41 4x = 40% %305.04x 366.14xx 83:203:31x 2.4%40x 25.05 x 8.42.12x 4:32.1:x 8725.043xx 2014%25x 51:54.2:x 154:61:85x 5.36121xx 1025.032x 2.1363.0x 5.0:65:32x 212 785.3 x 9.83.174x 6 032xx