Question

repede
a)1pe5x(+2pe3)=
b)(-2pe5)x(-3pe7)=
c)(-6pe5)x(+1pe8)=
d)(+4pe3)x(-5pe6)=
e)3x(-1pe2)=
f)-5x(2pe5)=
g)-4pe5x(-30)=
i)-1,6x5=
j)-1,25x(-8)=

Answer 1

a)2/15  
b)6/35
c)-6/40
d)-20/18
e)-3/2
f)-10/5
g)120/5
i)-8
j)9,25