问题
解答题
脱式计算.
972÷(72-54)
(235+647)÷63
630+720÷36.
答案
(1)972÷(72-54)
=972÷18
=54;
(2)(235+647)÷63
=882÷63
=14;
(3)630+720÷36
=630+20
=650.
脱式计算.
972÷(72-54)
(235+647)÷63
630+720÷36.
(1)972÷(72-54)
=972÷18
=54;
(2)(235+647)÷63
=882÷63
=14;
(3)630+720÷36
=630+20
=650.