简便计算: 1、123+259+741+477 =(123+477)+(259+741) =600+1000 =1600 2、95×46+46×5 =46×(95+5) =46×100 =4600 3、102×34 =(100+2)×34 =100×34+2×34 =3400+68 =3468 4、749+5036+251 =749+251+5036 =1000+5036 =6036 5、99×99+99 =99×(99+1) =99×100 =9900 6、614-402 = 614-400-2 =214-2 =212 7、725-76-24 =725-(76+24) = 725-100 =625 8、125×24 =125×8×3 =1000×3 =3000 9、360÷24 =360÷4÷6 =90÷6 =15 10、1800÷5÷2 =1800÷(5×2) =1800÷10 =180 本文来源:https://www.wddqw.com/doc/4685e400941ea76e59fa0471.html