人教版小学数学五年级解方程练习题
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小学数学五年级解方程练习题
9x+4
X
2.5
=
91
4.2 x+2.5x
=
134
10.5x+6.5x=51
89x-43x=9.2
5x-45=100 1.2x-0.5x=6.3
83.4-2x=56 52.8-3x=48.6 13.25
-
3X=0.403
2X-5.7=2.15+ X 15+5X-2X=18
3.5
X
2= 4.2+
X
26
X
1.5= 2x+10 0.5
X
16
—
16
X
0.2=4x 16.2
-
3X=0. 3
52
-
(X+2.62) =2.6 7x
+
13
=
33
—
x
130.5
—
5x
=
80
1.8
+6x
=
54
15 5X-2X=18
6.7x
3.5
—
60.3
=
6.7
X
2= 4.2 x+1
26
+
4x
=
40
X
1.5=
2x+3
0.5
X
16
—
16
X
0.2=4x+1.2
9.2
5
—
2X=0.403 16.9
-
(X+4)=0.3
133
—
(5+x)
=
80 0.3
X
6-6x
=
54
6.7x
—
60.3
=
6.7
9
+
4x
=
40 0.2x
—
0.4
+
0.5
=
3.7 9.4x
—
0.4x
=
16.2
12
—
4x
=
20
-
6
=
1.4
(
x
+
5
)
12x
+
34x=1
18x
—
14x=12
23x=14x
+
14
23 x
—
30x-12x
—5X
14=14
—
14x=1
12
+
34x=56
x-0.7x=3.6