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Cara =>
36
21
----- +
57
2. -40 + 24 = -16
3. 28 - ( -17 )
= 28 + 17
= 45
4. 25 + ( -43 ) = -18
5. -35 - 12 = -47
Catatan :
+ x + = +
+ x - = -
- x + = -
- x - = +
= 57.
2. (-40) + 24
= - (40 - 24)
= - (16)
= -(16).
3. 28 - (-17)
= 28 + 17
= 45.
4. 25 + (-43)
= 25 - 43
= - (43 - 25)
= - (18)
= (-18).
5. (-35) - 12
= - ( 35 + 12)
= - (47)
= (-47).