Question

9 și 10 va rog dau 60 puncte.

Answer 1

9.
a)x=783-247 => x=536
b)x=2467-318 => x=2149
c)x=873-243 => x=630
d)x=482+267 => x=749
e)x=23536-10039 => x=13497
f)x=6251-4357-937=> x=957

10.
a)15-(8+7)=0
b)90-(80-20)=30
c)200-(450-250)=0
d)83-(43-14)-6=48
e)(100-20)-(200-180)=60
f)(60-60)-(60-60)=0