Easy
Evaluate 7j+5−8k7 {j}+5-8 {k}7j+5−8k when j=0.5{j}=0.5j=0.5 and k=0.25{k}=0.25k=0.25.
6.56.56.5
5.55.55.5
7.57.57.5
8.58.5 8.5
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