65*73+65*27+80简便计算
问题描述:
65*73+65*27+80简便计算
答
65*73+65*27+80=65*(73+27)+80=65*100+80=6500+80=6580
答
=65*(73+27)+80
=65*100+80
=6580
答
65*73+65*27+80
=65*(73+27)+80
=65*100+80
=6500+80
=6580
答
65*73+65*27+80
=65*(73+27)+80
=65*100+80
=6500+80
=6580