问题 解答题
(1)计算:
8
×
1
2
+(
32
-
24
)(
32
+
24

(2)解方程:3x(x-1)=2(x-1)
答案

(1)原式=

1
2
+(
32
2-(
24
2

=2+32-24,

=10;

(2)3x(x-1)=2(x-1)

3x(x-1)-2(x-1)=0,

(x-1)(3x-2)=0,

x-1=0,3x-2=0,

x1=1,x2=

2
3

单项选择题 A1/A2型题
单项选择题