Question

Suma a 5 nr nat consecutive este 50 . Calculati produsul ultimelor 3 nr.​

Answer 1

x=>8

(x+1)=8+1=9

(x+2)=8+2=10

(x+3)=8+3=11

(x+4)=8+4=12

10×11×12=1320(nr căutat)

x+(x+1)+(x+2)+(x+3)+(x+4)=50

5x+10=50

5x=50-10

5x=40

x=40:5

x=8

Answer 2

x=primul număr

x+1=al doilea numar

x+2=al treilea numar

x+3=al patrulea numar

x+4=al cincilea numar

x=>8

(x+1)=>8+1=9

(x+2)=>8+2=10

(x+3)=>8+3=11

(x+4)=>8+4=12

10*11*12=1320

x+(x+1)+(x+2)+(x+3)+(x+4)=50

5x+10=50

5x=50-10

5x=40

x=40:5

x=8

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