问题
解答题
(1)计算:2+|-3|+tan45°;
(2)解不等式:3(x-1)>2x+2.
答案
(1)2+|-3|+tan45°
=2+3+1
=6;
(2)去括号得:3x-3>2x+2,
移项得:3x-2x>2+3,
合并同类项得:x>5.
(1)计算:2+|-3|+tan45°;
(2)解不等式:3(x-1)>2x+2.
(1)2+|-3|+tan45°
=2+3+1
=6;
(2)去括号得:3x-3>2x+2,
移项得:3x-2x>2+3,
合并同类项得:x>5.