六年级[(上册)]分数解方程练习题.doc
六年级分数解方程练习题班级 成绩 25% + 10X = X - 15%X = 68XX121 5X3×X÷126X5 =13.4 3X=X÷= XX= 4X6×=2÷X= X = X = ×X÷=× 4x3 ×9 = 29 x + x = 4X21×=4 6X5 =13.4 X-X= 46385X=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=18 X×( + )= x0.375x=x×+=4×XX125 X2.4×580.36×5- x = (x- 4.5) = 7 x- 25%x= 10x- 0.8x= 16+620 x8.5= 1.5x- x -4= 21 X25%X=90 XX= 解:(1)(12×3/412×2/3)x8/3 (98)x8/3 17x8/3 x8/3÷17 x8/51 ( 2)7x/153/4×4/15×9/17 7x/159/85 x9/85÷7/15 x27/119 (3)(15×1/315×2/5)x20 (56)x20 11x20 x20÷11 x20/11 (4) 2x3x/76 11x/76 x6÷11/7360÷(126)×5 288÷(2614)×8 500×6-(50×2-80) (105×12635)÷25 864÷(2723)×12 (453816)×24 500(24038×6) 64(8742) ×15 (84515×3)÷1612×(4928)÷7 450÷(8448 )÷12 (58+37)÷(64-9×5) 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 32.52-(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 50012471021232 (181+2564)+2719 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 30657381065 899+344 2357183317357 23651086214 497299 2370+1995 3999+498 1883398 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 58×98 178×101178 84×36+64×84 75×99+2×75 83×10283×2 98×199 123×18123×3+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 4800÷25 2356(1356721) 1235(17801665) 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 30657381065 899+344 2357183317357 23651086214 497299 2370+1995 3999+498 1883398 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 58×98 178×101178 84×36+64×84 75×99+2×75 83×10283×2 98×199 123×18123×3+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 4800÷25 21500÷125 2356(1356721) 1235(17801665) 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 x=62. (1-25%)x=72 75%x=72 x=72÷75% x=963. x-40%x=3.6 (1-40%)x=3.6 x=3.6÷60% x=66. 2-1417×411 =2-1128×411 =1072x+3x=605x=60x=123.6x-2.8x=120.8x=12x=15100x-x=19899x=198x=218x+2x=60(问题里弄成+60了 是等号吧?)20x=60x=35x+6x=12.111x=12.1x=1.16.6x-5x=81.6x=8x=54x-x=243x=24x=81.5x-x=10.5x=1x=21.9x+0.4x=9.22.3x=9.2x=425x-5x=10×20-5×2020x=100x=580x-40=(30x+40)×280x-40=60x+8020x=120x=680x-3200=60x+120020x=4400x=2201.50.061.44 0.75÷150.05, 0.4×0.80.32, 420÷3512, 25×12300, 135÷0.5270 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÷170.03, 32.81951.8, 5.2÷1.34, 1.6×0.4 0.64 4.9×0.73.43, 1÷50.2, 6÷120.5, 0.870.490.38 14 / 14