pake cara ya kelas 5 sd yang bisa pasti jawab pake cara yaaa 1. kpk dan fpb 75 &140 2. 3 are + 4 m^2 + 5 dam^2 = 3. 900 ha - 40.000 dam =... ha 4. 6hm - 30 dam
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Pertanyaan
pake cara ya kelas 5 sd yang bisa pasti jawab pake cara yaaa
1. kpk dan fpb 75 &140
2. 3 are + 4 m^2 + 5 dam^2 =
3. 900 ha - 40.000 dam =... ha
4. 6hm - 30 dam - 30.000 m ...... ca
5. nyatakan dalam bntk pecajhan desimal
A. 5/8 =
B. 12/30 =
c. 3 3/2 =
1. kpk dan fpb 75 &140
2. 3 are + 4 m^2 + 5 dam^2 =
3. 900 ha - 40.000 dam =... ha
4. 6hm - 30 dam - 30.000 m ...... ca
5. nyatakan dalam bntk pecajhan desimal
A. 5/8 =
B. 12/30 =
c. 3 3/2 =
1 Jawaban
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1. Jawaban whongaliem
1) 75 = 3 x 5²
140 = 2² x 5 x 7
FPB = 5
KPK = 2² x 3 x 5² x 7
= 4 x 3 x 25 x 7
= 100 x 21
= 2100
2) 3 are + 4m² + 5 dam² = (3 x 100) m² + 4 m² + (5 x 100) m²
= 300 m² + 4 m² + 500 m²
= 804 m² atau
= 8,04 dam²
3) 900 ha - 40.000 dam² = 900 ha - (40.000 : 100) ha
= 900 ha - 400 ha
= 500 ha
4) 6 hm² - 30 dam² - 30.000 m² = (6 x 10.000)ca - (30 x 100) ca - 30.000 ca
= 60.000 ca - 3000 ca - 30.000 ca
= 27.000 ca
5a) 5/8 = 5/8 x 125/125
= 625 / 1000
= 0,625
5b) 12 / 30 = 2/5 x 2/2
= 4/10
= 0,4
5c) 3 3/2 = 9/2 x 5/5
= 45/10
= 4,5