Question

indique com X a resposta correta:

Answer 1

Resposta:

b) 500

300

600

700

c)300 + 500 = 800

400 + 300 = 700

Answer 2

a:  500
b:  300
c:  600
d:  700


A)

460 + 40 = 500
460 - 60 = 400
40 < 60
= 500

B)

345 - 45 = 300
345 + 55 =400
45 < 55
= 300

C)

585 + 15 =600
585 - 85 =500
15<85
=600

D)

720 - 20 =700
720+ 80 =800
20 < 80
=700