问题
解答题
|
答案
(1)244-6×28,
=244-168,
=76;
(2)480÷32-15,
=15-15,
=0;
(3)78+240÷4,
=78+60,
=138;
(4)54×(71-33),
=54×38,
=2052;
(5)(227-57)÷34,
=170÷34,
=5;
(6)900÷(90÷2),
=900÷45,
=20.
|
(1)244-6×28,
=244-168,
=76;
(2)480÷32-15,
=15-15,
=0;
(3)78+240÷4,
=78+60,
=138;
(4)54×(71-33),
=54×38,
=2052;
(5)(227-57)÷34,
=170÷34,
=5;
(6)900÷(90÷2),
=900÷45,
=20.