问题 解答题
1800-60×3540÷9-45960-240÷8
100-25×4(150+300)÷5630÷(55-46)
答案

(1)1800-60×3,

=1800-180,

=1620;

(2)540÷9-45,

=60-45,

=15;

(3)960-240÷8,

=960-30,

=930;

(4)100-25×4,

=100-100,

=0;

(5)(150+300)÷5,

=450÷5,

=90;

(6)630÷(55-46),

=630÷9,

=70.

单项选择题
单项选择题