125x(35×25)
=125x25x(32+3)
=25×125×32+25×125×3
=25×4×8×125+75×125
=100000+(100-25)(100+25)
=100000+10000-625
=100000+9375
=109375
125x(35×25)
=125x25x(32+3)
=25×125×32+25×125×3
=25×4×8×125+75×125
=100000+(100-25)(100+25)
=100000+10000-625
=100000+9375
=109375