我不是最大两位数,我比97大
65-29=44
个直角个锐角个钝角
钢笔长10 杯子高15
2×5 = 4 × 6 = 5 ×3 = 8 ×5 =
5 +5 = 5×5 = 3 × 5= 2 ×9 =
7×4 = 3×6 = 6×5 = 4 ×1=
4× 8 = 7 ×3 = 4 × 4 = 4 + 4 =
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