= ,| l . ^ _ .\r4 1 a\r5 .Wl* > 0 ,\r> 0 , r*_0.\ra b b\r6 .Wl 5a>0, 0. 3b<0, 0. 7c<0,r2 ____0.\rac\r7.-0.125. H » < . U < .\r\a\\r8.¤ a>0,@c = `¤ 2<0,@^1 =\ra a\rxDÃd\r1..\r[ 1 ] x 8 [ 2 ?)x(-6) (-7. 6) XO. 5 1 2 ?\r2 ..\r8 Ä(> Å (*4 ) - 2 8 ] 1 x ( ]4)x(]2) 8 x ^ - | ^ | x ( ^ ) x ( - 2 ) .\r3 .\r4.\r(+48) + (+6) -3 4+(-2) 0 + (-1000)\r( tl\r5...\r(-1155) 4-[(-11) X (+3) X (-5)]\r- 13 + (\r5) + (\r6 g ) 7(*5)\r1\r81\r- 4 4 9\r123 45P61
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