小学六年级解比例及解方程练习题Word文档下载推荐.docx

1、4=x:83 :x=3:121.25:0.25=x:1.62 = 836 =549 xx 32 =6:244.5 =645:x=18:26252.22.8:4.2=x:9.6 1 :x= 1 : 1 2.8:9.610 8 424= 3 :8:x=4 :5 :=x:150.61.50642.4 x6x53 x3 1 4 11 4 25 1 142 x5 12536x x140.7 21050 x40 1.3 x5.2 20 x 3.6 618164.6320 9 x0.2 x864解方程X 7X=2X +5 =70%X + 20%X = 3.6X 3=2025% + 10X =X-15%X=6

2、8X 3 X1215X 3 5 52X 122173X=6X5 =13.4XX2 =7X=34X62 =27 163 X =8 X =1X=1072951 6 =26134 x3 9 = 291 x + 1 x = 435453 X21 2=41 x 202（ x 2.6） 85X-3X=104 6385X=1519 1 =1234 6 =2613 35 45 254+0.7X=1028X= 421 153X=255 72X-0.25=2X+1 X=4232 4= 15288X=19 6 51X =30%X+1 X=105X- 3 X=400X-0.125X=836 =（+）=0.375x=

3、5X+ X=18x+ 1=4X 3X125 X2.4 580.36 5- 4 x =3 （x- 4.5） = 72 x- 25%x = 10x- 0.8x = 16+6 20 x 8.5= 1.5x- 5 x -4= 21X25%X=90X= 3 X=X2X+ =25%+10X= 4 3 X1215X3 5 512= 7X 7 X=3=21 4x3 2 =46X5 =13.4155X=8 X=4 4=151=123 X=258 X=1 16X-0.25= 12 X+1 X=42X-3 X=400X=18（ 68）= 12x0.375x=X 3X125 X 2.4 0.365-x =25%X=90x-5 x -4= 213 8 2X7X= 9 X 7X=X - 15%X = 68 X 3X121 5X 38 21 7 2=7 X 7X=3 4X 62=27 16 8 4 33X2110 32（x 2.6） 82 1 35 X- 3 X=10+ ）=