问题 解答题
37+48÷4(43+37)÷4
(144-24)÷2100-50÷5
120-360÷986-17×3.
答案

(1)37+48÷4,

=37+12,

=49;

(2)(43+37)÷4,

=80÷4,

=20;

(3)(144-24)÷2,

=120÷2,

=60;

(4)100-50÷5,

=100-10,

=90;

(5)120-360÷9,

=120-40,

=80;

(6)86-17×3,

=86-51,

=35.

填空题
单项选择题 A1型题