利用不等式的性质填空 (填“ > ”或“ < ”). (1) 若 a < b , 1 - a _ 1 - b ; (2) 若 a < b , 且 c <0 , 则 ac + c _ bc + c ; (3) 若 a >0 , b <0 , c <0 , 则 ( a - b ) c _ 0 ; (4) 若 a c 2 >bc 2 , 则 a _ b.
A.
( 1) < (2)> (3) < (4)>
B.
( 1) > (2) > (3) < (4) <
C.
( 1) > (2) (3) < (4) <
D.
( 1) > (2) > (3) < (4)>
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