问题
解答题
化简: (1)(2+
(2)
(3)
(4)
|
答案
(1)原式=4-3
=1;
(2)原式=3-2 5
=2
;3 5
(3)原式=0.3+
×1 5 3 5
=0.3+3 25
=
;21 50
(4)原式=-4+25+4-3
=22.
化简: (1)(2+
(2)
(3)
(4)
|
(1)原式=4-3
=1;
(2)原式=3-2 5
=2
;3 5
(3)原式=0.3+
×1 5 3 5
=0.3+3 25
=
;21 50
(4)原式=-4+25+4-3
=22.