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Matematika
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1 Jawaban
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1. Jawaban RYN2212
1. a. L=12×5÷2=30 K=5+13+12=30
b. L=20×8=160 K=(10+20)×2=60
c. L=24×24=576 K=24×4=96
d. L=35×22=770 K=(35+22)×2=114
f. L=(18+28)×12÷2=276 K=18+28+(13×2)=72