简便计算96×625=12x8x5x125=(12x5)x(8x125)=60x1000=60000
96×625=625x100-625x4=62500-2600=59900
96×625=(100-4)×625=100×625-4×625=62500-2500=60000
96×625=6×4×4×625=6×4×2500=6×10000=60000
96×625=100x625-4x625=62500-2500=60000