计算。
|
(1)原式= -![]() = ![]() | (2)原式= +![]() =1 ![]() |
(3)原式= +![]() = ![]() | (4)原式= + -( - )= -![]() = ![]() |
(5)原式= -![]() = ![]() | (6)原式= -![]() = ![]() |
(7)原式= + -( + )= ![]() | (8)原式= -![]() =1 |
编辑:chaxungu时间:2026-04-27 14:02:29分类:小学数学题库
计算。
|
(1)原式= -![]() = ![]() | (2)原式= +![]() =1 ![]() |
(3)原式= +![]() = ![]() | (4)原式= + -( - )= -![]() = ![]() |
(5)原式= -![]() = ![]() | (6)原式= -![]() = ![]() |
(7)原式= + -( + )= ![]() | (8)原式= -![]() =1 |