)\r8\r7 1 o ! \ o o f\rI- - - "7ËÍÌÍÌ 1\r8 6a8 Î6\r1 1\r= 6 -\r6\r27-1. 3\r@ : 13.6-2x=0.4\r2x=13.6-0.4\rx=132+2\r28-1. 46.6\rx=45+22.5\r28-2? x=2\r29?1?\rO 10 P 12P.\rQ? R ( 2 10?)\r30-1\r31T\ri? 0jk(5 21?)\r. /40+(1-20% ) =40+80%\r= 5 0 ( * ) \r32-10 /1234556\r33-1 7 1 3 :4 : 5\r8 :280+8 = 35: ,<=>35: ? 4 .@ A Ñ30*8 = 240,5*8 = 40,240 + 40 = 280\r34-10 /=BCD3EF4.\r:GHIJKLMNOP QLMRSTU9 VMB\rW942X76010U9 Y 8 .\rGZ9+4+2+7+6+1+0+X+XU9 m ,\r\GHX]^2_MR,`aucd8 .\r35-1`aIJKLMU942876869 .\ref?\rgM+ h K=g M B\ri + % & = i\rkMXkM=k M ,\r36-1gM*gM=gM\rO 1 1 P 1 2 P.\rO 1 2 P 1 2 P
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