Question

(-0,5) × 1/2

2×(-1/9

(-2/5) (3/7)

(+3/7) × (-1/2)

(-1/3) × 2 × (-3)

(-2)×(-1/3+5/3)

Answer 1

Resposta:

(-0,5)•1/2

-0,5/2

-0,25

2•(-1/9)

-2/9

(-2/5)(3/7)

-6/35

(3/7)(-1/2)

-3/14

(-1/3)•2•(-3)

-2/3•-3

6/3

2

(-2)(-1/3+5/3)

-2• 4/3

-8/3