Question

a) 5/3-3/4-2
b) 1/2+2/3+4
c) 174,05+215,21
d) 85,09-39,45
e) 45,6+74,36
f) 98,4-39,56

Answer 1

Resposta:

a) 5/3-3/4-2=

   20/12-9/12-24/12=

  -13/12    

b) 1/2+2/3+4=

   3/6+4/6+24/6=

   31/6

c) 174,05+215,21=

   17405/100+21521/100=

   38926/100=

   389,26

d) 85,09-39,45=

   8509/100-3945/100=

   4564/100=

   45,64

e) 45,6+74,36=

   456/10+7436/100=

   4560/100+7436/100=

   11996/100=

   119,96

f) 98,4-39,56=

  984/10-3956/100=

  9840/100-3956/100=

  5884/100=

  58,84