Question

1sau2 va rog dau coroana urgent

Answer 1

1)
a) (3 - 2 + 11) × √5 = 12√5
b) (2 + 3 - 12 + 8) × √10 = √10
c) (-8 + 6 - 13 + 1) × √7 = -14√7
d) (1 - 5 + 4) × √13 = 0
e) (2 - 3 + 7 - 11) × √x = -5√x

2)
a) √3 × √3 × √7 = 3√7
b) √3 × √25 × 1/√3 = 5
c) √5 × √5 × √16 = 5 × 4 = 20
d) 2√2 / 3√3 × √3/√2 = 2/3