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Jawaban:
1. a. – 25 : 5 = -5
b. 400 : (- 20): 10 = -2O :10 = -2
c. -600 : 20 : (-15) = -30: (-15) = 2
d.-1000 (-220) (-10) = 50:(-10) = -5
2. t = s/v = 40m/ 1m/jam = 40 jam
3. 60 : 5 = 12 buah
4. a. -12 x 8 + 72: (-6) = (-12 x8) + (72:(-6)) = -96+(-12) = -108
b. 80 : (-10) x 12- (-20) = -8 x 12 +20 = -96 + 20
= -76
c. 120 : 10 : (-6) + (-100) = 12 : (-6) – 100 = -2 – 100
= -102
d. 60 – (-20) x 12 + 75 = 60 + 240 +75 = 375
e. 200 : (-100) x 123 – (-125) = -2 x 123 + 125 = -246 + 125 = -121
5. (241 – 27 + 50) : 12 = 264 : 12 = 22
Jawaban:
4).d.
60-(-20)×12+75
60-(240)+75
60+240+75
300+75
375
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