简便计算:125×32×25×2021
125×32×25×2021
=125×4x8×25×2021
=500x200x2021
=100000x2021
=202100000
125x(8x4)x25x2021
=(125x8)x(4x25)x2021
=1000x100x2021
=202100000
原式=125×8×4×25×2021=1000×100×2021=202100000aqui te amo。
可以把32分成8x4,这样算式可以写成125x8x4x25x2021=1000x100x2021=202100000。