题目内容
计算:
(1)
(2)
(1)
(2)
(1)-8
(2)-20
(1) =2-2×5 (1分)
="2-10 " (2分)
="-8 " (3分)
(2)
=-+-32+× (1分)
="-32+12 " (2分)
="-20 " (3分)
="2-10 " (2分)
="-8 " (3分)
(2)
=-+-32+× (1分)
="-32+12 " (2分)
="-20 " (3分)
练习册系列答案
相关题目
题目内容