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Verified answer
Menentukan Satuan Jarak dan BeratRumus
km ↘ hm × 10
hm ↖ km ÷ 10
Soal
a) 2 m = ... Cm
b) 50 Hm = ... m
c) 75 Km = ... Dam
d) 90 Dm = ... Mm
e) 12 Km = ... Hm
f) 3/4 kg ... 5/8 kg
Penyelesaian
a) 2 m = 2 × 100 = 200 Cm
karena m ↘ Cm, maka dikali 100
b) 50 Hm = 50 × 100 = 5.000 m
karena Hm ↘ m, maka dikali 100
c) 75 Km = 75 × 100 = 7.500 Dam
karena Km ↘ Dam, maka dikali 100
d) 90 Dm = 90 × 100 = 9.000 Mm
karena Dm ↘ Mm, maka dikali 100
e) 12 Km = 12 × 10 = 120 Hm
karena Km ↘ Hm, maka dikali 10
f) 3/4 kg > 5/8 kg
bukti :
samakan dulu penyebutnya
6/8 kg > 5/8 kg
maka 6/8 kg lebih berat dari 5/8 kg
50hm = 50x100 = 5000m
75km = 75x100 = 7500dam
90dm = 90x100 = 9000mm
12km = 12x10 = 120hm
3/4kg = 6/8kg = 6/8>5/8
yang paling berat belanjaan Dian