Răspuns:
Explicație pas cu pas:
a)400+3/10x400= 400+1200/10= 400+120= 520
b)400+4/5x400=400+1600/5=400+320=720
c)400+25/100x400=400+1/4x400=400+400/4=400+100=500
d)400+3/8x400...........
cred ca te descurci daca ai inteles pana acum :)
a)300-50/100x300=300-1/2x300=300-300/2=300-150=150
b)300-300=0
c)300-3/25x300...........
cred ca te descruci daca ai inteles pana acum :)
