deli scribbling pad blank partition scratch paper student eye protection thickened 16k mathematics postgraduate entrance examination calculation b5 notebook for correction 得力草稿本空白分区草稿纸学生护眼加厚16k数学考研验算B5错题本

eye protection thickening: blank expansion is not limited... partition calculation is clear

800 pages [5 blank +5 partition] super hot 640 pages [5 blank +3 partition] cost performance 400 pages [3 blank +2 partition] high rating 800 pages [10 copies/blank scribbling pad] opaque paper 800 pages [10 books/partition scribbling pad] opaque paper 640 pages [8 copies // blank scribbling pad] opaque paper 640 pages [8 copies // partition scribbling pad] opaque paper 400 pages [5 copies // blank scribbling pad] opaque paper 400 pages [5 copies // partition scribbling pad] opaque paper 320 pages [4 copies // blank scribbling pad] opaque paper 320 pages [4 copies // partition scribbling pad] opaque paper 240 pages [3 copies // blank scribbling pad] opaque paper 240 pages [3 copies // partition scribbling pad] opaque paper 160 pages [2 copies // blank scribbling pad] opaque paper 160 pages [2 copies // partition scribbling pad] opaque paper 80-page [1 copy // blank scribbling pad] opaque paper 80-page [1 book // partition scribbling pad] opaque paper