0% = 1760 \r©ÌÍÎ?ÖÌÏ200x -11 - 1. x 90% = 1800 \r1760<1800,\rÕÌÍÎ?ÖÌÏw× \rØ 11
Ù+ÌÏ9ÚÛÜÕÌÍÎ..\r5 3 . #ݨÞ`\r100x-l - 4 % . = 96 - .9\rݨße\r60 + 3x(100-96),\r= 60 + 12,\r=72 (Â) \rHU઺:ÂCá9Ó\r(100-x)x60 = (96-x)x72\r6000 - 60x = 6912 - 72x\rI2x = 9l2\rx = 7 6 .\rUàâº:ÂCá7 6 .\r5 4 . #3 + 4 = 7\r2ã+ä3 _æ1\r7 3\r= 20- M\r21\r= 210 (T)\rA è8 Pé210T.\r5 5 . # ê 10>15>30\r= 6 -ë.\rìíîïð9ÚñÛÜÕè©Áòóôõo9@I6 ëïC.\r-2 .Õóô5.6x10 = 56 -ö.\r©óô3.8x15 = 57 -ö.\r÷óô1.7x30=51 -ö..\r57>56>51\r1 + (---- 1---- ) x (5.6 +1.7)\r10 15\r=1I + 2 x7r. 3c\r15\r= 7.5x73\r= 54.75 (ö)\rìíBøùðúCá9ÚñÛÜÕè÷Áòóôõo9ïðNIûðú54.75ö.
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