Question

1. Știind că a = ( 3x4 + 2x8 – 1): 9 *
2. b = 22 – 2 x [16 – ( 2x3 + 3x3 – 16 : 2)] *

Answer 1

a= (3×4+2×8-1):9 =>a= (12+16-1):9 =

a=(28-1):9

a=27:9

a=3

b=22-2×[16-(2×3+3×3-16:2)]

b=22-2×[16-(6+9-8)]

b=22-2×[ 16-(15-8)]

b=22-2×(16-7)

b=22-2×9

b=22-18

b=4