Question
Gem cuts a piece of thread into two pieces. The first piece is 3 m 50 cm long and the second piece is 9 m 21 cm long. What is the length of the thread in m and cm at first?
2 m

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Gem cuts a piece of thread into two pieces. The first piece is 3 m 50 cm long and the second piece is 9 m 21 cm long. What is the length of the thread in m and cm at first?