1- Use: >, < ou =
a) -2___+2
b)0____-1
c)-3___+4
d)-5___+7
e)-6____6
f)7___7

2-Determine

a)1+41=

b)I-81=

c)I-151=

d)I 01=

e)I-500I=

3- Sabendo que:
a) 1x1=5, calcule x
b) I a I=8 calcule a

AJUDAAAAA ​