1、六年级解比例及解方程练习题1解比例 :x:10= 1 : 10.4:x=1.2:2431 : 1= 1:x0.8:4=x:82541.25:0.25=x:1.62 = 89 x12 = 32.4x3 :x=3:12436 = 54 x 3x:2 =6:244.5 = 645:x=18:26325x 2.22.8:4.2=x:9.61 :x= 1: 12.8:4.2=x:9.610841 / 13x:24= 3 : 18:x=4 :35 : 1 =x:1435486120642.4 x110.61.56 x 312x531411425x10.7 14 x5 x142212536 x401.3 x
2、5.220x3.6 10 506 1811164.683x3 20 9 x0.2 x864解方程2X 7 X=32342X +5 =570%X + 20%X = 3.62 / 13X 3=20 125% + 10X =4X - 15%X = 68545X 3 X1215X3 5 52 X 1128217346X5 =13.43X=38X 2= 7716X 7 X=34X6 2 =28431233 X =258 X =1 165X=1057296513 / 13X 6 = 26 134x3 9 = 291 x + 1 x = 4354525263 X21 2=46X2135 =13.4X-X=1
3、0353104 6382 X 1=123 X=25345725X=158 X= 4X 4=151921155288 X=1 16X 6 = 26 13X-0.25=196513545254X =30%4+0.7X=1022 X+1 X=424324 / 13X+ 1 X=105X-3 X=400X-0.125X=84836 =33X=18X1313X+(+)=X476812x0.375x= 5x 2+ 1=4 3X 3X12632873325 X2.4 580.365- 4 x =53 (x- 4.5) = 712 x- 25%x = 10x- 0.8x = 16+6 20 x 8.5= 1.
4、55 / 13438x- 5 x -4= 21X25%X=90X7X= 92X 7 X=32342X +5 =570%X + 20%X = 3.6X 3=20 125% + 10X =4X - 15%X = 68545X 3 X1215X3 5 52 X 11282173436X5 =13.43X=8X 2= 7716X 7 X=34X6 2123=2 X=8435106 / 133 X =258 X =1 16X 6 = 26 1357296513545254x3 9 = 291 x + 1 x = 43 X21 2 =4261036X5 =13.45X=15192 X 1 =123 4X
5、6 = 26 13 35 45 252135 X- 3 X=108 X= 421153 X=255721X-0.25=44 6 38X 4= 155288 X=1 169 6 51X =30%47 / 134+0.7X=1022 X+1 X=42X+1 X=105324X- 3 X=400X-0.125X=836 =38X43X13130.375x= 5X+ X=18(+ )=x768126x 2+ 1=4 3X 3 X125 X 2.4 58328733210.36 5- 4 x =53 (x- 4.5) = 72 x- 25%x = 108 / 13X25%X=90x- 0.8x = 16
6、+620 x 8.5= 1.54382x- 5 x -4= 21X7 X= 9X 7 X=342X +2=370%X + 20%X = 3.6X 3=205551 25% + 10X =4X - 15%X = 68X 3 X1214585X3 5 53X=32178X 2 = 7 7 169 / 13X 7 X= 34X 6 2 =21235 X=843103 X =258 X =1 16X 6 = 26 1357296513545254x3 9 = 2912x +1 x = 43 X21 2 =46103x1 x 202( x 2.6) 842136X5 =13.45 X- 3X=104 6
7、385X=158 X= 4X 4= 1519211552810 / 132 X 1 =123 X=258 X=1 16345729651X 6 = 26 13X-0.25=1X =30%354525444+0.7X=1022 X+1 X=42X+1 X=105324X- 3 X=400X-0.125X=836 =38X43X13130.375x= 5X+ X=18(+ )=x768126x 2+ 1=4 3X 3X125 X 2.4 58328733210.36 5- 4 x =53 (x- 4.5) = 72 x- 25%x = 1011 / 134x- 0.8x = 16+6 20 x 8
8、.5= 1.5 x-5 x -4= 21计算下面各题；能简算的要简算 .2143233535755 4 4218427（20+5） 5（9+27） 276 （1830）336125551（8 8 ） 156 （7 3 ）6 9 + 9 6235367627594+274135 13512612 612 / 132133736 2420352533132545（5 + 7 ） 254 2 + 4 57 9 715211+641（ 5 2）14252466375341312（24+6+4）17（ 125 34）（5+7） 7 5191981620 199 20（ 24 + 3） 2477 782291510 + 10 0.4251013 / 13
