Question

va rog ma puteti ajuta​

Answer 1

a) (5+1/3)×6/5

(15/3+1/3)×6/5

16/3×6/5

16/1×2/5

32/5=6,4

b) (6+3/2)×3/10

12+3/2 ×3/10

15/2+3/10

75/10+3/10

78/10=7,8

c) (4-2/5):12/15

(20/5-2/5)×15/12

18/5×15/12

18/5×5/4

18/1×1/4

18/4=4,5

d) (2+5/6)÷17/4

(12/6+5/6)×4/17

17/6×4/17

1/6×4/1= 4/6=0,(6)