Question

ex 3 b,c va rog mult

Answer 1

a) 1 + 3 + 1 + 1 =》4)1 si 2)3 = 4 + 6 = 10
2 4 2 4 2 4 8 8 8
=》4)1 si 2)1 = 4 + 2 = 6
2 4 8 8 8
rezulta 1 + 3 + 1 + 1 = 10 + 6 = 16
2 4 2 4 8 8 8
b) ( 1 - 1 ) +( 1 - 1 ) + ( 1 - 1 ) = 》1 + 1 + 1 = 3
2 3 4 5 5 6
c) 3 + 2 1 - 7 = 》 3 + 2 3)1 - 2)7 = 》3 + 2 3 - 14
2 2 3 2 2 3 2 6 6
=》3 + 2 11 =》 6)3 + 2 2)11=》 18 + 2 22
2 6 2 6 12 12
= 2 40
12