Question

afla valoarea lui y din expresia :y-(1+2+3+...+48)=3520

Answer 1

y-(1+2+3+...+48)=3520
y-48×49/2=3520
y-1176=3520
y=3520+1176
y=4696

Answer 2

y-(1+2+3+...+48)=3520 y-(48×49:2)=3520 y-(2352:2)=3520 y-1176=3520 y=3520+1176 y=4696