Question

1. 24 km - 28 dam = ........ hm
2. 18 km + 150 hm - 4.000 m = .......... km
3. 12 hm + 8 dam - 700 cm = .......... m
4. 6 km + 4 hm - 6 dam= ......... dam
5. 8 dam - 40 m + 70 dm= .........m
6. 1 m - 4 dm+ 6 cm= ........mm ​

Answer 1

Penjelasan dengan langkah-langkah:

1. 24 km - 28 dam = ........ hm

= 24 × 10 - 28 ÷ 10

= 240 - 2,8

= 237,2 hm

2. 18 km + 150 hm - 4.000 m = .......... km

= 18 km + 150 ÷ 10 - 4.000 ÷ 1.000

= 18 + 15 - 4

= 33 - 4

= 29 km

3. 12 hm + 8 dam - 700 cm = .......... m

= 12 × 100 + 8 × 10 - 700 ÷ 100

= 1.200 + 80 - 7

= 1.280 - 7

= 1.273 m

4. 6 km + 4 hm - 6 dam= ......... dam

= 6 × 100 + 4 × 10 - 6

= 600 + 40 - 6

= 640 - 6

= 634 dam

5. 8 dam - 40 m + 70 dm= .........m

= 8 × 10 - 40 + 70 ÷ 10

= 80 - 40 + 7

= 30 + 7

= 37 m

6. 1 m - 4 dm+ 6 cm= ........mm

= 1 × 1.000 - 4 × 100 + 6 × 10

= 1.000 - 400 + 60

= 600 + 60

= 660 cm

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