oblicz wartość liczbową wyrażeń algebraicznych
(2a+b)*c dla a=3/4 b=-2 c=6
(2a+b)*c= 2ac+ bc= 2* 3/4 *6 + (-2)*6= 9- 12= -3
(2*3/4 - 2) * 6 = (6/4 - 2) * 6 = (1 1/2 - 2) * 6 = -1/2 * 6 = -3
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(2a+b)*c= 2ac+ bc= 2* 3/4 *6 + (-2)*6= 9- 12= -3
(2*3/4 - 2) * 6 = (6/4 - 2) * 6 = (1 1/2 - 2) * 6 = -1/2 * 6 = -3