Hanafi
The sources give no view for it here.
تفريق صوم النذر
هل يُجزئ من نذر صوم يومين فأكثر أن يصومها متفرقة؟
Each school’s answer
Hanafi
Not stated in the sources
Maliki
Not stated in the sources
Shafi'i
Not stated in the sources
Hanbali
Not stated in the sources
The texts
٧٨٤ - مَسْأَلَةٌ: وَمَنْ نَذَرَ صَوْمَ يَوْمَيْنِ فَصَاعِدًا أَجْزَأَهُ أَنْ يَصُومَ ذَلِكَ مُتَفَرِّقًا لِأَنَّهُ غَيْرُ مُخَالِفٍ لِمَا نَذَرَ. [مَسْأَلَةٌ نَذَرَ صَوْمَ جُمُعَةٍ أَوْ قَالَ شَهْرٍ]
From the schools’ own books
Maliki
The sources give no view for it here.
Shafi'i
The sources give no view for it here.
Hanbali
The sources give no view for it here.
What bears this mark is in our words, our standard wording; the books’ texts stay as they are.