问题
解答题
计算
724-105×4
(976-955)÷3
(4802-4466-280)÷7.
答案
724-105×4,
=724-420,
=304;
(976-955)÷3,
=21÷3,
=7;
(4802-4466-280)÷7,
=(336-280)÷7,
=56÷7,
=8.
计算
724-105×4
(976-955)÷3
(4802-4466-280)÷7.
724-105×4,
=724-420,
=304;
(976-955)÷3,
=21÷3,
=7;
(4802-4466-280)÷7,
=(336-280)÷7,
=56÷7,
=8.