Advanced Challenge

Solve these problems to test your skills!

1) Solve
12 kg
2) Solve
25 L
3) Solve
6 L
4) Solve
140 mm
5) Solve
23000 g
6) Solve
25 kg
7) Solve
210 mm
8) Solve
3 cm
9) Solve
12 cm
10) Solve
50 mm
11) Solve
19 L
12) Solve
17 kg
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