Question

gente me ajuda valendo 15 pontos

Answer 1

5.

8x7=56

8x8=64

8x9=72

8x10=80

———————————

6.

100:1=1

100:2=50

100:4=25

100:5=20

100:10=10

100:20=5

100:25=4

100:50=2

100:100=1

————————-

7.

12

12:2=6

12:3=4