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1/2*(-2)2 - 1/2 * (-2)2 * (-3) + [1/2* (-3)]= 1/2-1/3 - 1 1/2 = 1 -1/3= 2/3
Najpier musisz obliczyć wartość danego wyrażenia :
a-3b-½a-⅓b-a=½a+3⅓ = -1/2+10/3 *3/1=11½
(½a)² - ½a²b +(⅓b)² dla a = -2 ; b = -3
1/4a²-½a²b+1/9b²= 1/4*(-2)+2-3-1/3=-4