问题
解答题
计算下面各题.
660-600÷15×4
(175+25)×(114-64)
800÷[(350+50)÷10].
答案
(1)660-600÷15×4
=660-40×4
=660-160
=500;
(2)(175+25)×(114-64)
=200×50
=10000;
(3)800÷[(350+50)÷10]
=800÷[400÷10]
=800÷40
=20.
计算下面各题.
660-600÷15×4
(175+25)×(114-64)
800÷[(350+50)÷10].
(1)660-600÷15×4
=660-40×4
=660-160
=500;
(2)(175+25)×(114-64)
=200×50
=10000;
(3)800÷[(350+50)÷10]
=800÷[400÷10]
=800÷40
=20.