问题 解答题
计算:
(1)(-1)100×|-5|-4×(-3)-42
(2)12×(-3-
1
4
+1
1
3
)+(-3)3-(-2)2÷
1
4
答案

(1)(-1)100×|-5|-4×(-3)-42

=1×5+12-16,

=5+12-16,

=17-16,

=1;

(2)12×(-3-

1
4
+1
1
3
)+(-3)2-(-2)2÷
1
4

=(-3)×12-

1
4
×12+1
1
3
×12-9-4×4,

=-36-3+16-9-16,

=-48.

判断题
单项选择题