Question

dsu coroana va rog am nevoie urgent ​

Answer 1

Răspuns:

a) DA

1/2+2×1/4=1

1/2+1/2=1 adevarat

2×1/2+8×1/4=3

1+2=3 adevarat

b) DA

3×1/2-2×1/4

3/2-1/2=1

2/2=1

1/2+4×1/4=

1/2+1=

1/2+2/2=3/2

c) NU

4×1/2+1/4=2/1+1/4=8/4+1/4=9/4

6×1/2-4×1/4=6/2-4/4=3-1=2 fals