Question

Daca x=3,si y+z=10 calculează :
100.x-(9.y+9.z)

Answer 1

x=3
y+z=10

100•x-(9•y+9•z)=100•x-[9(y+z)]=100•3-(9•10)=300-90=210

Raspuns : 210

Answer 2

100x - 9( y+z)=
=100x3 - 9x10=
=300-90=
=210


* 100x3= 100 înmulțit cu 3 *