问题
解答题
脱式计算
|
答案
(1)(38-20)×26,
=18×26,
=468;
(2)35÷5×7-5,
=7×7-5,
=49-5,
=44;
(3)378+320÷8-300,
=378+40-300,
=418-300,
=118;
(4)390÷(21÷3+2),
=390÷(7+2),
=390÷9,
=43
.1 3
脱式计算
|
(1)(38-20)×26,
=18×26,
=468;
(2)35÷5×7-5,
=7×7-5,
=49-5,
=44;
(3)378+320÷8-300,
=378+40-300,
=418-300,
=118;
(4)390÷(21÷3+2),
=390÷(7+2),
=390÷9,
=43
.1 3