问题 解答题
903-5130÷45425÷2519×(4480÷14-278)
80×(125-93)(187-98)×(903-889)3267-(527+82)-318.
答案

(1)903-5130÷45,

=903-114,

=789;

(2)425÷25,

=(425×4)÷(25×4),

=1700÷100,

=17;

(3)19×(4480÷14-278),

=19×(320-278),

=19×42,

=798;

(4)80×(125-93),

=80×125-80×93,

=10000-7440,

=2560;

(5)(187-98)×(903-889),

=89×14,

=1246;

(6)3267-(527+82)-318,

=(3267-527)-(82+318),

=2700-400,

=2300.

单项选择题