Question

ex.1)Calculeaza:954÷3×2-(56×8÷4-105+205÷5)×2;ex2).Un nr.este mai mare decât altul de 3 ori plus 5.Suma lor este 41.Afla produsul numerelor.

Answer 1

954÷3×2-(56×8÷4-105+205÷5)×2=
318×2-(56×2-105+41)×2=
636-(112-105+41)×2=
636-48x2=636-96=540

2)
a=3b+5
a+b=41
3b+5+b=41
4b=41-5
4b=36
b=36:4
b=9

a+9=10
a=10-9
a=1

axb=1x9=9