4. 5 jam 23 menit + 3 jam 50 menit = …
Jawaban:
5 jam + 3 jam = 8 jam
23 menit + 50 menit = 73 menit (1 jam 13 menit)
7 jam + 1 jam + 13 menit = 8 jam 13 menit
Jadi, 5 jam 23 menit + 3 jam 50 menit = 8 jam 13 menit
5. 7 jam 41 menit + 8 jam 30 menit = …
Jawaban:
7 jam + 8 jam = 15 jam
41 menit + 30 menit = 71 menit (1 jam 11 menit)
15 jam + 1 jam + 11 menit = 16 jam 11 menit
Jadi, 7 jam 41 menit + 8 jam 30 menit = 16 jam 11 menit
6. 30 menit + 40 menit = 70 menit = 1 jam + 10 menit
7. 50 menit + 45 menit = 95 menit = 1 jam + 35 menit
8. 2 jam 20 menit – 1 jam 50 menit = 1 jam 80 menit – 1 jam 50 menit = 0 jam 30 menit.
9. 5 jam 15 menit – 2 jam 25 menit = 4 jam 75 menit – 2 jam 25 menit = 2 jam 50 menit
