Verified answer

Ответ:

13×3=39 13×30=390 12×40=480 130×2=260

12×4=48 14×20=280 21×40=840 410×2=820

(5+2)×60=420 (40+20)×2=120 (20+4)×2=48

(14+6)×2=40 (22+8)×3=90 (31+19)×20=1000

Ответ:

1.39

2.48

3.420

4.40

5.390

6.280

7.120

8.90

9.480

10.840

11.48

12.1000

13.268

14.820