125×16×8×3×25
=125×8×16×25×3
=1000×400×3
=400000×3
=1200000
125x16x8x3x25=(125x8)x(4x25)x4x3=1000x100x4x3=100000x4x3=400000x3=1200000很高兴为你解答，希望能帮到你！
