73x2476x76的简便运算
2476×111怎样简便运算 -
2476×(100+10+1)2476×100+2476×10+2476×1=247600+24760+2476=274836
2476+3999 =2476+4000-1 =6476-1 =6475
2476×(100+10+1)2476×100+2476×10+2476×1=247600+24760+2476=274836
2476+3999 =2476+4000-1 =6476-1 =6475