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A fair die is rolled four times. The probability that each of the final three rolls is at least as large as the roll preceding it may be expressed in the form m/n where m and n are relatively prime positive integers. Find m + n.

INTO JAPANESE

公正なサイコロは4回振られます。最後の3つのロールのそれぞれが、少なくともその前のロールと同じ大きさである確率は、m / nの形式で表すことができます。ここで、mとnは互いに素の正の整数です。 m + nを見つけます。

BACK INTO ENGLISH

The fair dice are rolled four times. The probability that each of the last three rolls is at least as large as the previous roll can be expressed in the form m / n. Where m and n are relatively prime positive integers. Find m + n.

INTO JAPANESE

公正なサイコロは4回振られます。最後の3つのロールのそれぞれが、少なくとも前のロールと同じ大きさである確率は、m / nの形式で表すことができます。ここで、mとnは互いに素な正の整数です。 m + nを見つけます。

BACK INTO ENGLISH

The fair dice are rolled four times. The probability that each of the last three rolls is at least as large as the previous roll can be expressed in the form m / n. Where m and n are relatively prime positive integers. Find m + n.