人教版小学六年级解比例及解方程练习题 (1)

人教版六年级解方程及解比例练习题解方程X X= 2X + = 70%X + 20%X = 3.627 4325 35X =20 25% + 10X = X - 15%X = 68534154X X121 5X3 X 12821732416X5 =13.4 3X=8341X83X = X X= 4X6 =27216874332X= X = X = 125 310 537298615X = 4x3 9 = 29 x + x = 4356421216X21 =4 10322041x 8)6.2(x6X5 =13.4 X- X= 463825 13 3105X= X= X =1952185454281X =12 X= X= 3241537298615X = X-0.25= =30% 356421414X4+0.7X=102 X+ X=42 X+ X=10532141X- X=400 X-0.125X=8 = 83 X364X+ X=18 X( + )= x0.375x= 37 16 38 1312 65x + =4 X 73X12 5 X2.45832180.365- x = (x- 4.5) = 7 x- 25%x = 1034 35 23 12x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 45X25%X=90 X X= X X= 37 89 27 432X + = 70%X + 20%X = 3.6 X =2025 35 54125% + 10X = X - 15%X = 68 X X121 54 835X3 X 12 6X5 =13.4 215732413X= X = 8341X837216X X= 4X6 =2 X= 874332125 310X = X = X = 5372986153564214x3 9 = 29 x + x = 4 X21 =4 21610326X5 =13.4 2041x 8)6.2(xX- X= 4638 5X= 25 13 310 195X= X = X =12 21854542813241X= X= X = 537298615356421X-0.25= =30% 4+0.7X=102 414XX+ X=42 X+ X=105 X- X=400 3214183X-0.125X=8 = X+ X=18 X36437X( + )= x0.375x= x + =4 16 38 1312 653218X 73X12 5 X2.458 0.365- x = 34 35(x- 4.5) = 7 x- 25%x = 10 X25%X=90 23 12x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 45X X= X X= 2X + = 37 89 27 4325 3570%X + 20%X = 3.6 X =20 25% + 10X = 534154X - 15%X = 68 X X121 5X3 8321573X=8341X83X = X X= 4X6 =27216874332X= X = X = 125 310 537298615X = 4x3 9 = 29 x + x = 4356421 216X21 =4 10322041x 8)6.2(x6X5 =13.4 X- X= 463825 13 3105X= X= X =1952185454281X =12 X= X= 3241537298615X = X-0.25= =30% 562414X4+0.7X=102 X+ X=42 X+ X=10532141X- X=400 X-0.125X=8 = 83 X364X+ X=18 X( + )= x0.375x= 37 16 38 1312 65x + =4 X 73X12 5 X2.45832180.365