11. 0,54 m + 1,2 m = 54 cm + 120 cm
= 174 cm
= 1,74 cm
12. 9 5/6 - 4 1/2 = 55/6 - 9/2 (×3)
= 55/6 - 27/6
= 28/6
= 4 4/6
= 4 2/3
13. 1 4/7 + 1 3/5 = 11/7 (×5) + 8/5 (×7)
= 55/35 + 56/35
= 111/35
= 3 6/35
14. 5 1/6 + 3 2/3 = 31/6 + 11/3 (×2)
= 31/6 + 22/6
= 53/6
= 8 5/6
15. 2 3/4 - 1/3 = 11/4 (×3) - 1/3 (×4)
= 33/12 - 4/12
= 29/12
= 2 5/12
11. Panjang seluruh pita adalah 1,74 cm
12. Sisa jeruk adalah 4 2/3 kg
13. Berat tas adalah 3 6/35 kg
14. Hasil panen padi dan jagung adalah 8 5/6 ton
15. Bintang belajar selama 2 5/12 jam
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JAWAB.
11. 0,54 m + 1,2 m = 54 cm + 120 cm
= 174 cm
= 1,74 cm
12. 9 5/6 - 4 1/2 = 55/6 - 9/2 (×3)
= 55/6 - 27/6
= 28/6
= 4 4/6
= 4 2/3
13. 1 4/7 + 1 3/5 = 11/7 (×5) + 8/5 (×7)
= 55/35 + 56/35
= 111/35
= 3 6/35
14. 5 1/6 + 3 2/3 = 31/6 + 11/3 (×2)
= 31/6 + 22/6
= 53/6
= 8 5/6
15. 2 3/4 - 1/3 = 11/4 (×3) - 1/3 (×4)
= 33/12 - 4/12
= 29/12
= 2 5/12
KESIMPULAN.
11. Panjang seluruh pita adalah 1,74 cm
12. Sisa jeruk adalah 4 2/3 kg
13. Berat tas adalah 3 6/35 kg
14. Hasil panen padi dan jagung adalah 8 5/6 ton
15. Bintang belajar selama 2 5/12 jam