在数学运算中,如果有相同的多项式可以用提取同类型的方法,再进行运算,式子里都有48,
(125+48)x 48=173x 48=8304
125×48+48×48
=125×8×6+48×(50-2)
=6000+48×50-48×2
=6000+(50-2)×50-48×2
=6000+50×50-2×50-48×2
=6000+2500-2×(50+48)
=8500-2×(100-2)
=8500-2×100+4
=8500-200+4
=8304
125×48+48×48
=48x(125+48)
=48x172
=48x200-48x21
=9600-1008
=8592
125x48+48x48
=48x(125+48)
=48x173
=7304