题目内容
计算
44+56×18
21×(213-174)
(320+184)÷7.
44+56×18
21×(213-174)
(320+184)÷7.
(1)44+56×18
=44+1008
=1052;
(2)21×(213-174)
=21×39
=819;
(3)(320+184)÷7
=504÷7
=72.
=44+1008
=1052;
(2)21×(213-174)
=21×39
=819;
(3)(320+184)÷7
=504÷7
=72.
练习册系列答案
相关题目