bantu jawab nomor 30,31,32,33 Plies CEPAT
Matematika
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Pertanyaan
bantu jawab nomor 30,31,32,33
Plies CEPAT
Plies CEPAT
1 Jawaban
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1. Jawaban quennyta
30 ) 140+80×40×1/2
= 220×40×1/2=4400 (C)
31) luas1) 42×42=1764
luas2) 22/7×21×21=1386
luas=1764-1386=378(C)
32) (15×15)× 6=1350(B)
33) 1/2×(20×15×30)
=1/2×9000=4500(C)