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Answered

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51 Calculer.
a) (+7) - (+4)
c) (-15) - (-8)
e) (+40) + (-72)
b) (-10) + (-7)
d) (+20) - (+30)
f) (-1 003) - (+97)
Aidez moi s’il vous plaît

Sagot :

LOULAKAR

Bonjour


Calculer.


a) (+7) - (+4)

= 7 - 4

= 3


c) (-15) - (-8)

= -15 + 8

= -7

e) (+40) + (-72)

= 40 - 72

= -32

b) (-10) + (-7)

= -10 - 7

= -17

d) (+20) - (+30)

= 20 - 30

= -10

f) (-1 003) - (+97)

= -1003 - 97

= -1100

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