Jawab:
2. (5.25) + (3.20) + (2.10)
= 125 + 60 + 20
= 205 kg
205 kg : 5 = 41 orang yang mendapat bantuan
3. 64 - (-72) x 18 : 9
= 64 + 72 x 18 : 9
= 64 + 1.296 : 9
= 64 + 144
= 208
4. 30,25 kg - ( 15 + 5 )
= 30,25 kg - ( + )
= 30,25 kg -
= 30,25 kg - 20,625 kg
= 9,625 kg
5. 4 x : 0,24
= x :
= x x
= = 7
6. Jarak sebenarnya = Jarak peta : Skala
= 15 cm :
= 15 cm x
= 22.500.000 cm ⇒ 225 km
7. B
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Jawab:
2. (5.25) + (3.20) + (2.10)
= 125 + 60 + 20
= 205 kg
205 kg : 5 = 41 orang yang mendapat bantuan
3. 64 - (-72) x 18 : 9
= 64 + 72 x 18 : 9
= 64 + 1.296 : 9
= 64 + 144
= 208
4. 30,25 kg - ( 15 + 5 )
= 30,25 kg - ( + )
= 30,25 kg - ( + )
= 30,25 kg -
= 30,25 kg - 20,625 kg
= 9,625 kg
5. 4 x : 0,24
= x :
= x x
= = 7
6. Jarak sebenarnya = Jarak peta : Skala
= 15 cm :
= 15 cm x
= 22.500.000 cm ⇒ 225 km
7. B