tolong jawab semuanya, yg bner ya tolong skrng di kumpulkan, klo ngasal direport.
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Jawab:
Nomor 1
a. -12-9 = -21
b. 8-16 = -8
c. 4-7 = -3
d. -5 - (-1) = -5+1=-4
e. -13 - (-20) = -13+20=7
f. -14 - (-16) = -14+16=2
g. 10 - (-4) = 10+4=14
h. 14 - (-6) = 14+6=20
Nomor 2
a. -28-(-81) = -28+81=53
b. -78-(-81) = -78+81 = 3
c. 221-116 = 105
d. 219 - 431 = -212
e. 21 - (-30) = 21+30 = 51
f. 113 - (-96) = 113+96=209
g. -132-116=-248
h. -234-267 = -501