pliese jawab pke caraa yy 19,20&21 mksih sekali lagi

19) 1 jam 45 menit - 1 jam 30 menit
15 menit (A)

20) 1,5 km + 15 hm + 250 dam
= 1500 m + 1500 m + 2500 m
= 5500 m (B)

21) 2,2 ton + 38 kwintal + 2600 kg
= 2200 kg + 3800 kg + 2600 kg
= 8600 kg (A)

19. A
Adi 1 jam 30 menit= 60 menit+ 30 menit= 90 menit
Danis 1jam 45 menit= 105 menit
Jadi 105-90= 15 menit

20. B
s1= 1,5 km= 1500m
s2= 15 hm= 2500 m
s3= 250 dam= 2500 m

Stotal= 1500+2500+2500= 5500

21. A