Question

11+14=275,15+17=480,10+12=220,18+19=666,12+15=?​

Answer 1

Step-by-step explanation:

11×11+14×11= 275

15×15+17×15=480

10×10+12×10=220

18×18+19×18=666

12×12+15×12=324

I hope it would help you ☺️