问题
解答题
522-322÷7
39×8÷6
(483+217)×24.
答案
(1)522-322÷7,
=522-46,
=476;
(2)39×8÷6,
=312÷6,
=52;
(3)(483+217)×24,
=700×24,
=700×(20+4),
=700×20+700×4,
=14000+2800,
=16800.
522-322÷7
39×8÷6
(483+217)×24.
(1)522-322÷7,
=522-46,
=476;
(2)39×8÷6,
=312÷6,
=52;
(3)(483+217)×24,
=700×24,
=700×(20+4),
=700×20+700×4,
=14000+2800,
=16800.