Question
Study the pattern. Write the missing number in the blank.
310 → 10 → 300
340 → 20 → 320
           → 30 → 576
2 m

Click button first when a symbol is required. X

Study the pattern. Write the missing number in the blank.
310 → 10 → 300
340 → 20 → 320
           → 30 → 576