2.5) x 43\rF80 X 4 3\r= 3440\r1 1 1 1\r1G+ 2 H+ 3 I+ 4 J\r= ( I + L+ ( 2 + M) + ( 3 + E+(4 + 3\r± ± ± ±)\r=(1 + 2 + 3 + 4) + ( + + +\r= 1 0 + [(OE + 6 PQ+ *R)+ (O0\r= 1 0 +\r*S6 7 7 8 8 9 g l 0T\r=i°+ET\r= 1 U+2\rV? ? W\r18 27.\r ^ = 1\r6% = 24 x 5\r6% = 120\r6% + 6 = 120 + 6\r% = 20\r3 1 2\r( 2 ) 4 5 = X 5\r1 3 2\r5% = - x -\r4 5\r1 3\r5X\r10\r1 3\r5X x 5 = ? x 5\r10\r. 1\rx = 1-\r2\r7 W = 1 0 X\r2 2\r7X = 5 X 1 °\r2 .\r-x = 4\r7\r2 2 2\r- X - = 4 + =\r7 7 7\rx = 14\r2.7 0.9\r0.9% = 2.7 x 0.6\r0.9% = 1.62\r0.9% + 0.9 = 1.62 + 0.9\rx = 1.8\rVp Y W\rZ[\\rVZ ] W