tolong dijawab pake caranya 5-6

5. £f =( 30+50 ) - (33+35+32) = 20
m =a/ £f
m= 2.5/ 20
m = 0,125 kg x 1000 gram
m = 125 gram
6. £f = ( 30+40)-(42+43)=15
m = 1.5/15
m = 0,1 kg x 1000 gram
m = 100 gram
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