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2009-09-29T20:17:37+02:00

208 ÷ [ 112 - ( 100 - 3x ) × 4 ÷ 23 ] = 2
208:[112-(400-12x):23]=2
112-(400-12x):23=1/104
(112-400+12x):23=1/104
(-288+12x):23=1/104 / :23
-288+12x=1/2392
12x=1/2392+288
12x=288i1/2392 /:12
x=24 i 1/28704