问题 解答题
脱式计算
580-80×5(129+78)×9(800-187)×535×6×9268+36×4.
答案

(1)580-80×5,

=580-400,

=180;

(2)(129+78)×9,

=207×9,

=1863;

(3)(800-187)×5,

=613×5,

=3065;

(4)35×6×9,

=210×9,

=1890;

(5)268+36×4,

=268+144,

=412.

单项选择题 B1型题
判断题