Zadanie w załączniku :
a = 5
a) 2a² = 2 ( 5²) = 50
b ( 3a²+8 ) /2 = 75 + 8 / 2 = 41.5
c) 3a³ - 4 = 375 - 4 = 371
d ) (6a² - a)/12 = 145 / 12 = 12.083333
e) 5a² - 4a + 120 = 125 - 20 + 120 = 225
f) (3a² - 20a)² / 4 = ( 75 - 100)² / 4 = 625 / 4 = 156.25
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a = 5
a) 2a² = 2 ( 5²) = 50
b ( 3a²+8 ) /2 = 75 + 8 / 2 = 41.5
c) 3a³ - 4 = 375 - 4 = 371
d ) (6a² - a)/12 = 145 / 12 = 12.083333
e) 5a² - 4a + 120 = 125 - 20 + 120 = 225
f) (3a² - 20a)² / 4 = ( 75 - 100)² / 4 = 625 / 4 = 156.25