Question

A, 65, 46 x 1,2 + 33,54 x 1,2 + 1,2
………………………………………………………………………………………………
………………………………………………………………………………………………
………………………………………………………………………………………………
………………………………………………………………………………………………
………………………………………………………………………………………………
B, (1 /4- 0,5 x 0,5) : ( 8,1 + 9,1 + 10,1 +..................+ 20,1)
………………………………………………………………………………………………
………………………………………………………………………………………………
………………………………………………………………………………………………
………………………………………………………………………………………………
………………………………………………………………………………………………
………………………………………………………………………………………………

Answer 1

A) 65,46 x 1,2 + 33,54 x 1,2 + 1,2

=  1,2 x ( 65, 46 + 33,54 + 1 )

= 1,2 x 100

= 120

Answer 2

65, 46 x 1,2 + 33,54 x 1,2 + 1,2

=65, 46 x 1,2 + 33,54 x 1,2 + 1,2 ×1 

= 1,2 ×(65,46+33,54+1)

=1,2×100=120