Question

efetue os cálculos significado resultado quando possível a)7:1/3
b)2:4/5
c)3/8:6
d)10/9:5
e)2/5:6/7
f)8/5:2/15

Answer 1

a) 7:1     7     3        
      ---- = --- x ---  =   21
       3      1     1

b) 2: 4     2      5      10                            5
        --- = --- x --- = ---   Simplificando,   ---
         5      1     4      4                              2

c) 3: 6     3      1     3                             1
   ---     = --- x --- = ---    Simplificando, ---
    8          8      6    48                           16

d) 10:5    10    1     10                           2
     ---    = --- x --- = ---   Simplificando, ---
      9         9     5     45                          9

e)  2    6      2     7     14                           7
    --- : --- = --- x --- = ---   Simplificando, ----
     5     7     5     6     30                           15

f) 8     2      8     15   120                          
   --- : --- = --- x --- = -----   Simplificando, 12
    5    15    5      2     10