问题 解答题
280+76×9-589189÷9+16×8
(168-18)×(32+18)7×(58+27)÷17.
答案

(1)280+76×9-589,

=280+684-589,

=964-589,

=375;

(2)189÷9+16×8,

=21+128,

=149;

(3)(168-18)×(32+18),

=150×50,

=7500;

(4)7×(58+27)÷17,

=7×85÷17,

=595÷17,

=35.

单项选择题
单项选择题