2 2. 49 3. 3 I 2 4 . }~? 5. 5 I 3\r1. X 2. V 3. X 4. V 5. X6. X7. X8. J\r1. x=2 2. x=l\rI. 1003 2, 4&8 3. 4. 6 5\r- 4\r. 1. 4 - x -4 2 = l9.2 x = l3.6\r2\r124\r.\r3 3+12\r2. J50*3X 5-t5Q 150-3X (5-\r.\r1. 32+(1 20% )=32+80% =40(\)\r2. 450X 10 + 9=500()\rlIx \r450X 10=9x\rx=500\r3 . lI 6 p? 3 p?\r6X3 + 2=9(jp?)\r4. 40 80 5 10 10 20\r3 3 6\rW.6.6\r- 35\r353\r-\r5\r6 . l \r1 , 3 . 3 2\r+ x 6 = - !! = !\r10 5 5 5\r3 2\r4OX 2 * ( - - - ) = 4 0 0 ( ^ )\r(2)l : 10 15=2 3\r40X24- (3 -2 ) X (3+2)=400(\?)
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