解方程
23 ÷X=16 710 x=34 58 X=112 54 ⅹ =
1516 解: 解: 解: 解:
3
1
ⅹ = 6 X-41 =21 X -13 X =12 3X -18 =716
X-85
X=15 x -0.6 x =5 4x +7.5=13 56 ÷x =3.3
8×134 -715
x =7 20%X =30 5X -3×107 =57 5- 23 X= 1
3
2X- 43 X=12 1.5 x=2.25 x ÷58 =1017 ⅹ÷811 = 33
16
85X -30%X =207 8×(X -43)=45
20%X=30
(1-
42)X=14 37.5+20%X=69.5 X-157X=25
14
(1-42)X=14 37.5+20%X=69.5 X-157X=25
14
20%χ-51=54 41χ+31χ=6
11
X+12X=500 16a+ 13= 12 8.65+13-a +16
=0
1÷2x=21 75-2110x=145 56x ÷73=3
7 x -85x=15 x ×20% = 20 x ÷76×149=4
3
X=36 X-X=20 X ÷= 0.6 1÷2x=21 75-2110x=145 56x ÷73=3
7
x -85x=15 x ×20% = 20 x ÷76×149=4
3
31χ ÷5 = 31 53 ÷χ = 76
2518518215=-x 251394521519=-?x
2011441153=+x
518
101128=?-x
32X=711 518÷X=54 X ÷41=20
3
2677x x +
= 5242x += 525235()8151236
x x ?++=
45 χ = 18
25
4χ+
21χ= 9 85χ-53= 5
2
(1-42)X=14 37.5+20%X=69.5 X-157X=25
14