Question

A) 7supra5-(8supra5-n)=2spra5
n=?

b) 8supra3+4supra3-(n+3supra3)
=8supra3
n=?

c) 2supra5+[2supra5+(2supra5-
n)]1supra5=3supra5
n=?

Dau coroana

Answer 1

A.()=8supra5
=8
7supra5=7
8-7=2
n=2



b.()=3supra3=3
8supra3=8
4supra3=4
8supra3=8
8+4-3=8
n=8

C. ()=2supra5
=2
2supra5=2
2supra5=2
1supra5=1
2+2+2-1=3
n=3


cred ca asa e bine.
SUCCES!!