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3. Rectangular pieces of cards that are 3 cm wide and 4 cm long each can be put
together to form the least square possible. How long is each side of the smallest
square that can be made?
3 cm
4 cm
4. There are three machines A, B, and C. Machine A must be checked every 6
days, machine B must be checked every 9 days, and machine C must be
checked every 12 days. All the three machines are checked today. How many
days later will all the three machines be checked on the same day again?
3. Rectangular pieces of cards that are 3 cm wide and 4 cm long each can be put
together to form the least square possible. How long is each side of the smallest
square that can be made?
3 cm
4 cm
4. There are three machines A, B, and C. Machine A must be checked every 6
days, machine B must be checked every 9 days, and machine C must be
checked every 12 days. All the three machines are checked today. How many
days later will all the three machines be checked on the same day again?
