1、 六年级上册分数解方程练习题 精品文档 六年级分数解方程练习题 班级 姓名 成绩 25% + 10X = X - 15%X = 68 X+X=121 5X-3×= X÷=12 6X+5 =13.4 3X= X÷= X+X= 4X-6×=2 ÷X= X = X = × X÷ =× 4x-3 ×9 = 29 x
2、 + x = 4 X-21×=4 6X+5 =13.4 X-X= 4χ-6=38 5X= X= X÷= X÷=12 X= X=× X÷=÷ X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 = X+X=
3、18 X×( + )= x-0.375x= x×+=4× X-X=12 5 X-2.4×5=8 0.36×5- x = (x- 4.5) = 7 x- 25%x = 10 x- 0.8x = 16+6 20 x– 8.5= 1.5 x- x -4= 21 X+25%X=90 X-X= 解:(1)(12×3/4+12×2/3)x=8/3 (9+8)x=8/3 17x=8/3
4、 x=8/3÷17 x=8/51 ( 2)7x/15=3/4×4/15×9/17 7x/15=9/85 x=9/85÷7/15 x=27/119 (3)(15×1/3+15×2/5)x=20 (5+6)x=20 11x=20 x=20÷11
5、 x=20/11 (4) 2x-3x/7=6 11x/7=6 x=6÷11/7 360÷[(12+6)×5] 288÷[(26-14)×8] 500×6-(50×2-80) (105×12-635)÷25 864÷[(27-23)×12] (45+38-16)×24 500-(240+38×6) [64-(87-42)] ×15 (845-15×3)÷1612×[(49-28)÷7] 450÷[(84-48] )÷12 (58+37)÷(64-9×5)
6、 95÷(64-45) 178-145÷5×6+42 812-700÷(9+31×11) 85+14×(14+208÷26) (284+16)×(512-8208÷18) 120-36×4÷18+35 (58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 6-1.6÷4= 5.38+7.85-5.37= 7.2÷0.8-1.2×5= 6-1.19×3-0.43= 6.5×(4.8-1.2×4)= 5.8×(3.87-0.13)+4.2×3.74 3
7、2.52-(6+9.728÷3.2)×2.5 [(7.1-5.6)×0.9-1.15] ÷2.5 5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6 12×6÷7.2-6 0.68×1.9+0.32×1.9 (58+370)÷(64-45) 420+580-64×21÷28 (136+64)×(65-345÷23) 48.10.15-10.75×0.4-5.7 388+(5000-1000) 158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+27
8、19 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-1065 899+344 2357-183-317-357 2365-1086-214 497-299 2370+1995 3999+498 1883-398 12×25 75×24 138×25×4 (13×125)×(3×8) (12+24+80
9、)×50 704×25 25×32×125 32×(25+125) 88×125 102×76 58×98 178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75 16800÷120 30100÷2100 32000÷400 49700÷700 1248÷24 3150÷15 48
10、00÷25 2356-(1356-721) 1235-(1780-1665) 75×27+19×2 5 31×870+13×310 4×(25×65+25×28) (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99755-(2187+755) 2214+638+286 3065-738-1065 899+344 2357-183-317-357 2365-1086-214 4
11、97-299 2370+1995 3999+498 1883-398 12×25 75×24 138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25 25×32×125 32×(25+125) 88×125 102×76 58×98 178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178 79×42+79+79×57
12、 7300÷25÷4 8100÷4÷75 16800÷120 30100÷2100 32000÷400 49700÷700 1248÷24 3150÷15 4800÷25 21500÷125 2356-(1356-721) 1235-(1780-1665) 75×27+19×25 31×870+13×310 4×(25×65+25×28) 1 2x+3(9-x)=21 2x+3*9-3x=21 27-x=21 x=27-21
13、 x=6 2. (1-25%)x=72 75%x=72 x=72÷75% x=96 3. x-40%x=3.6 (1-40%)x=3.6 x=3.6÷60% x=6 6. 2-﹙1/4+1/7﹚×4/11
14、2-11/28×4/11 =10/7 2x+3x=60 5x=60 x=12 3.6x-2.8x=12 0.8x=12 x=15 100x-x=198 99x=198 x=2 18x+2x=60(问题里弄成+60了 是等号吧?) 20x=60 x=3 5x+6x=12.1 11x=12.1 x=1.1 6.6x-5x=8 1.6x=8 x=5 4x-x=24 3x=24 x=8 1.5x-x=1 0.5x=1 x=2 1.9x+0.4x=9.2 2.3x=9.2 x=4 25x-5x=10
15、×20-5×20 20x=100 x=5 80x-40=(30x+40)×2 80x-40=60x+80 20x=120 x=6 80x-3200=60x+1200 20x=4400 x=220 1.5-0.06=1.44 0.75÷15=0.05, 0.4×0.8=0.32, 420÷35=12, 25×12=300, 135÷0.5=270 3/4 + 1/4 =1, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5 0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64 4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38 收集于网络,如有侵权请联系管理员删除






