(1)计算: ( 2 3 − π ) 0 + | 4 − 3 2 | − 18 .
(2)解不等式: 4 x + 5 ⩽ 2 ( x + 1 )
计算:
,7分)计算:
. (2011山东滨州,19,6分)计算:
,6分)计算: