Question

a)(2/5)×(-2/3)= b)(-4/1)×(-3/11)= c)(+1/2)×(3/4)= d)(-5/8)×(-0,4)= e)(-9/11)×(22/27)= f)(-6,4)×(+1,5)=​

Answer 1

Resposta:

a)−415

b)=(−4)⋅(−311)=

=1211

c)=38

d)=(−58)⋅(−(2⋅25⋅2))=

=(−58)⋅(−25)=

=(−1⋅54⋅2)⋅(2⋅−15)=

=14

e)=(−1⋅911)⋅(11⋅29⋅3)=

=−23

f)=(−(32⋅25⋅2))⋅(+(3⋅52⋅5))=  

=(−325)⋅(+(32))=

=(−16⋅25)⋅(32)=

=−485

Explicação passo-a-passo: