问题 解答题
计算下面各题.(能简便的要用简便方法计算)
800-600÷2018×(537-488)35×18
329-186-1425×37×4720÷16÷5.
答案

(1)800-600÷20,

=800-30,

=770;

(2)18×(537-488),

=18×49,

=882;

(3)35×18,

=35×2×9,

=70×9,

=630;

(4)329-186-14,

=329-(186+14),

=329-200,

=129;

(5)25×37×4,

=(25×4)×37,

=100×37,

=3700;

(6)720÷16÷5,

=720÷(16×5),

=720÷80,

=9.

选择题
问答题 简答题