Question

СРОЧНО!!!! №13!!!!!!

Answer 1

1) 300+10 = 310
    300 - 10 = 290
    300 * 10 = 3000
   300/10 = 30
2) 300+20 = 320
    300 - 20 = 280
    300 * 20 = 6000
   300/20 = 15
3) 300+60 = 360
    300 - 60 = 240
    300 * 60 = 18000
   300/60 = 5
4) 300+150 = 450
    300 - 150 = 150
    300 * 150 = 45000
   300/150 = 2