Question

1) Encontre o valor de cada alternativa a seguir:
a) 502-402 =
b) 2992 - 12 =
c) 3432 - 3422=
d) 602-302=
e) 4992- 12 =
f) 2542 - 2532 =​

Answer 1

a)

• $\sf \orange5 \orange 0 \orange2 \orange- \orange4 \orange0 \orange2 \orange= \orange1 \orange0 \orange0$

b)

• $\sf \orange2 \orange9 \orange9 \orange2 \orange- \orange1 \orange2 \orange= \orange2 \orange9 \orange8 \orange0$

c)

• $\sf \orange3 \orange4 \orange3 \orange2 \orange- \orange3 \orange4 \orange2 \orange2 \orange= \orange1 \orange0$

d)

• $\sf \orange6 \orange0 \orange2 \orange- \orange3 \orange0 \orange2 \orange= \orange3 \orange0 \orange0$

e)

• $\sf \orange4 \orange9 \orange9 \orange2 \orange- \orange1 \orange2 \orange= \orange4 \orange9 \orange8 \orange0$

f)

• $\sf \orange2 \orange5 \orange4 \orange2 \orange- \orange2 \orange5 \orange3 \orange2 \orange= \orange1 \orange0$