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12 =3解比例:x:10= !：41 : 1 =1 :x:=:x25404x=1.2:20.8:4=x:81.25:0.25=x:1.624 = X3 :x=3:12436_54 x 3x: 2 =6: 243254.5645:x=18:26x 2.22.8:4.2=x:9.6x:24=8:x=0.4=2.4 :12= x: 510 : 50= x : 4013 201 169解方程X I X=3742X +XX 3 =20X 154X+ 3X= 12186X+ 5 =13.4X 2=Z716123X=5 X 10一 1 . 1 8: 44 35 : 41x

2、= 5丄:x":102.8:4.2=x:9.611124 = 255 = 361.3 : x = 5.2 :4.6 = 802 = x2025% + 10X =5X3X =21+ 7x=384557511:x: 8 6 120.6 = 1512 = x1 1x:孑0.7 : 2:3.6 = 6 : 183 _x_8= 6470%X + 20%X = 3.6X - 15%X = 683X=4X6X 2=23§ X =丄X兰965125725X+_6 =26 X 1335 4525X 9 = 292x32X 21 X 2 =4103202(x2.6) 86X+ 5 =13.42

3、 15 X-3 X=10X 6= 385X1192X- 1 = 1234X ©=26 .35 4513252x二21153x=2557214X-0.25二4+0.7X=1022 1-X+丄 X=4232X+X- 3 X=4008X-0.125X=8亠 4_15528X 兰9651X=30%41-X=105436XX+7 X=18+ 3)=13120.375x=-6xX 2+1=4X323X= 1275 X 2.4 X 5= 830.36 X 5- - x =4(x- 4.5) = 72 x- 25%x = 10x- 0.8x = 16+620 x-8.5= 1.5x-4-x -4=

4、215X+ 25%X=902 x=374232X + 5 =570%X + 20%X = 3.6X 3 =20X -5425% + 10X =5X3X 5=214557X - 15%X = 68+ 3x= 12186X+ 5 =13.43X=.2= 7一716X+ 7X=3844X26X 2 =21235 + X=103200HZX9L L30q xeg寸X9hxol + %90+ X0IX60H6XexHxL8 L0LHX® 十 寸 g XOL Hx%90 xgOL < 叫x +9L L89hx%9l -xXOQI “XT9+9 L H X8 0 -xHI2 "XK

5、 -gx00.08H9X寸zX9L0LHXe Xslhx、o+寸9OHXgEO 0Lg+z)xx8HX90L.OX+x3 00 寸 Hxi+XMX副g CM孚CM 1co寸 CO TII in+g CMII9|m co6TCMT IIII孚!co 1oLL 1XCM 1寸9|m coXIIAcoX3XL 1IIX00 1T m96寸IIXL 1+XL 19CM00X-9ciXCM00 coII91X1II 寸丨00CMgXL 1IIX00 1L m966 CMIIco寸(oLX甜黒6XII XII Xco1XX L 1寸T11CO寸1 II XmTSIIIX co 1黒co 1gXCM1 9oo|TCMg寸7 H90.OX92(x2.6)8Ax 21 X 1xX 2+1=4X =4103X 6= 386X+ 5 =13.42135 X-3 x=101325X-0.25二5X吏192 1 X* i = 1234X* 6 =26 二人.35 45X二土2115572.4155=288x=1 X 兰9651X=30%44+0.7X=102lX+1X=42X+X- 3 X=4008X-0.125X=836X1X=1054=34X=181312o.375吩-X= 1275 X 2.4