稍复杂的方程练习题
-
一、解方程:
2
(
x+
3.6
)
=12.4 2X+15=25
8X+6X=28
2X-7.5=8.5
3X+6=18 4X+812=4400
2X-16=72 8X+109=2325
2X+30=110
1.8X+32=98.6
9X+4=29.2 4X+13=365
2X+2.8×2=10.4
3.4X÷3.4=2 2
(
2.8+X
)×2=10.4
X
+2
16+8X=40
4X-
3×9=29
5X+3=1425
.4X=5.1
(<
/p>
X-2.6
)
=8 5
(
X+1.5
)
=17.
5